Finding the Fourth Proportional to 16,635,635.20, 24,953,452.80 and 5,276,972.80
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Solution
The fourth proportional to 16,635,635.20, 24,953,452.80 and 5,276,972.80 is: 7,915,459.20
Step by Step Solution
- Step 1: Write the proportion equation
16,635,635.20 : 24,953,452.80 = 5,276,972.80 : x - Step 2: Convert to fraction form
16,635,635.20/24,953,452.80 = 5,276,972.80/x - Step 3: Cross multiply
16,635,635.20x = 24,953,452.80 × 5,276,972.80 - Step 4: Simplify right side
16,635,635.20x = 131,678,691,691,683.84 - Step 5: Solve for x
x = 131,678,691,691,683.84/16,635,635.20 - Step 6: Final answer
x = 7,915,459.20
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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.