Finding the Fourth Proportional to 15,957,914.92, 22,006,974.18 and 12,705,466.12
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Solution
The fourth proportional to 15,957,914.92, 22,006,974.18 and 12,705,466.12 is: 17,521,641.53
Step by Step Solution
- Step 1: Write the proportion equation
15,957,914.92 : 22,006,974.18 = 12,705,466.12 : x - Step 2: Convert to fraction form
15,957,914.92/22,006,974.18 = 12,705,466.12/x - Step 3: Cross multiply
15,957,914.92x = 22,006,974.18 × 12,705,466.12 - Step 4: Simplify right side
15,957,914.92x = 279,608,864,847,704.75 - Step 5: Solve for x
x = 279,608,864,847,704.75/15,957,914.92 - Step 6: Final answer
x = 17,521,641.53
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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.