Finding the Fourth Proportional to 18,051,213.96, 24,910,528.86 and 9,791,255.70
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Solution
The fourth proportional to 18,051,213.96, 24,910,528.86 and 9,791,255.70 is: 13,511,853.45
Step by Step Solution
- Step 1: Write the proportion equation
18,051,213.96 : 24,910,528.86 = 9,791,255.70 : x - Step 2: Convert to fraction form
18,051,213.96/24,910,528.86 = 9,791,255.70/x - Step 3: Cross multiply
18,051,213.96x = 24,910,528.86 × 9,791,255.70 - Step 4: Simplify right side
18,051,213.96x = 243,905,357,690,489.47 - Step 5: Solve for x
x = 243,905,357,690,489.47/18,051,213.96 - Step 6: Final answer
x = 13,511,853.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.