Finding the Fourth Proportional to 15,548,306.60, 23,322,459.90 and 7,970,439.08
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Solution
The fourth proportional to 15,548,306.60, 23,322,459.90 and 7,970,439.08 is: 11,955,658.62
Step by Step Solution
- Step 1: Write the proportion equation
15,548,306.60 : 23,322,459.90 = 7,970,439.08 : x - Step 2: Convert to fraction form
15,548,306.60/23,322,459.90 = 7,970,439.08/x - Step 3: Cross multiply
15,548,306.60x = 23,322,459.90 × 7,970,439.08 - Step 4: Simplify right side
15,548,306.60x = 185,890,245,916,888.16 - Step 5: Solve for x
x = 185,890,245,916,888.16/15,548,306.60 - Step 6: Final answer
x = 11,955,658.62
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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.