Finding the Fourth Proportional to 10,690,734.18, 14,755,356.46 and 6,342,234.18
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Solution
The fourth proportional to 10,690,734.18, 14,755,356.46 and 6,342,234.18 is: 8,753,554.66
Step by Step Solution
- Step 1: Write the proportion equation
10,690,734.18 : 14,755,356.46 = 6,342,234.18 : x - Step 2: Convert to fraction form
10,690,734.18/14,755,356.46 = 6,342,234.18/x - Step 3: Cross multiply
10,690,734.18x = 14,755,356.46 × 6,342,234.18 - Step 4: Simplify right side
10,690,734.18x = 93,581,925,989,063.42 - Step 5: Solve for x
x = 93,581,925,989,063.42/10,690,734.18 - Step 6: Final answer
x = 8,753,554.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.