Finding the Fourth Proportional to 18,264,793.80, 27,397,190.70 and 9,306,841.80
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Solution
The fourth proportional to 18,264,793.80, 27,397,190.70 and 9,306,841.80 is: 13,960,262.70
Step by Step Solution
- Step 1: Write the proportion equation
18,264,793.80 : 27,397,190.70 = 9,306,841.80 : x - Step 2: Convert to fraction form
18,264,793.80/27,397,190.70 = 9,306,841.80/x - Step 3: Cross multiply
18,264,793.80x = 27,397,190.70 × 9,306,841.80 - Step 4: Simplify right side
18,264,793.80x = 254,981,319,609,331.28 - Step 5: Solve for x
x = 254,981,319,609,331.28/18,264,793.80 - Step 6: Final answer
x = 13,960,262.70
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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.