Ronnie was given $6316688 while Rissa was given thrice as much. After each of them had given an equal amount of money to their little sister, Rissa is left with 4/6316688 of her money. How much is …👇

Ronnie was given $6316688 while Rissa was given thrice as much. After each of them had given an equal amount of money to their little sister, Rissa is left with 4/6316688 of her money. How much is left in Ronnie’s money?