Finding the Fourth Proportional to 22,143,414.80, 33,215,122.20 and 18,104,463.20
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Solution
The fourth proportional to 22,143,414.80, 33,215,122.20 and 18,104,463.20 is: 27,156,694.80
Step by Step Solution
- Step 1: Write the proportion equation
22,143,414.80 : 33,215,122.20 = 18,104,463.20 : x - Step 2: Convert to fraction form
22,143,414.80/33,215,122.20 = 18,104,463.20/x - Step 3: Cross multiply
22,143,414.80x = 33,215,122.20 × 18,104,463.20 - Step 4: Simplify right side
22,143,414.80x = 601,341,957,553,403 - Step 5: Solve for x
x = 601,341,957,553,403/22,143,414.80 - Step 6: Final answer
x = 27,156,694.80
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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.