Finding the Fourth Proportional to 20,151,248.30, 30,226,872.45 and 8,192,566.70
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Solution
The fourth proportional to 20,151,248.30, 30,226,872.45 and 8,192,566.70 is: 12,288,850.05
Step by Step Solution
- Step 1: Write the proportion equation
20,151,248.30 : 30,226,872.45 = 8,192,566.70 : x - Step 2: Convert to fraction form
20,151,248.30/30,226,872.45 = 8,192,566.70/x - Step 3: Cross multiply
20,151,248.30x = 30,226,872.45 × 8,192,566.70 - Step 4: Simplify right side
20,151,248.30x = 247,635,668,679,017.41 - Step 5: Solve for x
x = 247,635,668,679,017.41/20,151,248.30 - Step 6: Final answer
x = 12,288,850.05
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Similar ratio
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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.