Finding the Fourth Proportional to 54,640,977.79, 81,952,489.01 and 19,618,842.13
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Solution
The fourth proportional to 54,640,977.79, 81,952,489.01 and 19,618,842.13 is: 29,425,039.76
Step by Step Solution
- Step 1: Write the proportion equation
54,640,977.79 : 81,952,489.01 = 19,618,842.13 : x - Step 2: Convert to fraction form
54,640,977.79/81,952,489.01 = 19,618,842.13/x - Step 3: Cross multiply
54,640,977.79x = 81,952,489.01 × 19,618,842.13 - Step 4: Simplify right side
54,640,977.79x = 1,607,812,943,781,559.75 - Step 5: Solve for x
x = 1,607,812,943,781,559.75/54,640,977.79 - Step 6: Final answer
x = 29,425,039.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.