Finding the Fourth Proportional to 12,643,737.98, 17,448,414.05 and 6,842,520.61
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Solution
The fourth proportional to 12,643,737.98, 17,448,414.05 and 6,842,520.61 is: 9,442,708.55
Step by Step Solution
- Step 1: Write the proportion equation
12,643,737.98 : 17,448,414.05 = 6,842,520.61 : x - Step 2: Convert to fraction form
12,643,737.98/17,448,414.05 = 6,842,520.61/x - Step 3: Cross multiply
12,643,737.98x = 17,448,414.05 × 6,842,520.61 - Step 4: Simplify right side
12,643,737.98x = 119,391,132,722,423.83 - Step 5: Solve for x
x = 119,391,132,722,423.83/12,643,737.98 - Step 6: Final answer
x = 9,442,708.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.