Finding the Fourth Proportional to 8,522,291.50, 12,785,232.61 and 2,764,575.53
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Solution
The fourth proportional to 8,522,291.50, 12,785,232.61 and 2,764,575.53 is: 4,147,445.70
Step by Step Solution
- Step 1: Write the proportion equation
8,522,291.50 : 12,785,232.61 = 2,764,575.53 : x - Step 2: Convert to fraction form
8,522,291.50/12,785,232.61 = 2,764,575.53/x - Step 3: Cross multiply
8,522,291.50x = 12,785,232.61 × 2,764,575.53 - Step 4: Simplify right side
8,522,291.50x = 35,345,741,218,964.03 - Step 5: Solve for x
x = 35,345,741,218,964.03/8,522,291.50 - Step 6: Final answer
x = 4,147,445.70
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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.