Finding the Fourth Proportional to 45,414,439.68, 68,132,505.60 and 15,122,565.12
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Solution
The fourth proportional to 45,414,439.68, 68,132,505.60 and 15,122,565.12 is: 22,687,459.32
Step by Step Solution
- Step 1: Write the proportion equation
45,414,439.68 : 68,132,505.60 = 15,122,565.12 : x - Step 2: Convert to fraction form
45,414,439.68/68,132,505.60 = 15,122,565.12/x - Step 3: Cross multiply
45,414,439.68x = 68,132,505.60 × 15,122,565.12 - Step 4: Simplify right side
45,414,439.68x = 1,030,338,252,724,764.50 - Step 5: Solve for x
x = 1,030,338,252,724,764.50/45,414,439.68 - Step 6: Final answer
x = 22,687,459.32
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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.