Finding the Fourth Proportional to 18,715,496.20, 28,073,244.30 and 18,463,553.80
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Solution
The fourth proportional to 18,715,496.20, 28,073,244.30 and 18,463,553.80 is: 27,695,330.70
Step by Step Solution
- Step 1: Write the proportion equation
18,715,496.20 : 28,073,244.30 = 18,463,553.80 : x - Step 2: Convert to fraction form
18,715,496.20/28,073,244.30 = 18,463,553.80/x - Step 3: Cross multiply
18,715,496.20x = 28,073,244.30 × 18,463,553.80 - Step 4: Simplify right side
18,715,496.20x = 518,331,856,473,593.38 - Step 5: Solve for x
x = 518,331,856,473,593.38/18,715,496.20 - Step 6: Final answer
x = 27,695,330.70
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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.