Finding the Fourth Proportional to 8,316,092.20, 12,474,138.30 and 8,204,117.80
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Solution
The fourth proportional to 8,316,092.20, 12,474,138.30 and 8,204,117.80 is: 12,306,176.70
Step by Step Solution
- Step 1: Write the proportion equation
8,316,092.20 : 12,474,138.30 = 8,204,117.80 : x - Step 2: Convert to fraction form
8,316,092.20/12,474,138.30 = 8,204,117.80/x - Step 3: Cross multiply
8,316,092.20x = 12,474,138.30 × 8,204,117.80 - Step 4: Simplify right side
8,316,092.20x = 102,339,300,066,691.75 - Step 5: Solve for x
x = 102,339,300,066,691.75/8,316,092.20 - Step 6: Final answer
x = 12,306,176.70
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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.