Finding the Fourth Proportional to 7,417,264.92, 11,129,694.42 and 3,531,120.12
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Solution
The fourth proportional to 7,417,264.92, 11,129,694.42 and 3,531,120.12 is: 5,298,487.83
Step by Step Solution
- Step 1: Write the proportion equation
7,417,264.92 : 11,129,694.42 = 3,531,120.12 : x - Step 2: Convert to fraction form
7,417,264.92/11,129,694.42 = 3,531,120.12/x - Step 3: Cross multiply
7,417,264.92x = 11,129,694.42 × 3,531,120.12 - Step 4: Simplify right side
7,417,264.92x = 39,300,287,895,913.73 - Step 5: Solve for x
x = 39,300,287,895,913.73/7,417,264.92 - Step 6: Final answer
x = 5,298,487.83
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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.