Finding the Fourth Proportional to 15,386,345.70, 23,079,518.55 and 14,677,757.70
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Solution
The fourth proportional to 15,386,345.70, 23,079,518.55 and 14,677,757.70 is: 22,016,636.55
Step by Step Solution
- Step 1: Write the proportion equation
15,386,345.70 : 23,079,518.55 = 14,677,757.70 : x - Step 2: Convert to fraction form
15,386,345.70/23,079,518.55 = 14,677,757.70/x - Step 3: Cross multiply
15,386,345.70x = 23,079,518.55 × 14,677,757.70 - Step 4: Simplify right side
15,386,345.70x = 338,755,581,109,555.31 - Step 5: Solve for x
x = 338,755,581,109,555.31/15,386,345.70 - Step 6: Final answer
x = 22,016,636.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.