Finding the Fourth Proportional to 19,586,255.11, 27,000,545.20 and 13,687,575.62
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Solution
The fourth proportional to 19,586,255.11, 27,000,545.20 and 13,687,575.62 is: 18,868,946.72
Step by Step Solution
- Step 1: Write the proportion equation
19,586,255.11 : 27,000,545.20 = 13,687,575.62 : x - Step 2: Convert to fraction form
19,586,255.11/27,000,545.20 = 13,687,575.62/x - Step 3: Cross multiply
19,586,255.11x = 27,000,545.20 × 13,687,575.62 - Step 4: Simplify right side
19,586,255.11x = 369,572,004,037,006.38 - Step 5: Solve for x
x = 369,572,004,037,006.38/19,586,255.11 - Step 6: Final answer
x = 18,868,946.72
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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.