Finding the Fourth Proportional to 12,474,289.44, 18,712,103.85 and 3,955,290.12
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Solution
The fourth proportional to 12,474,289.44, 18,712,103.85 and 3,955,290.12 is: 5,933,147.52
Step by Step Solution
- Step 1: Write the proportion equation
12,474,289.44 : 18,712,103.85 = 3,955,290.12 : x - Step 2: Convert to fraction form
12,474,289.44/18,712,103.85 = 3,955,290.12/x - Step 3: Cross multiply
12,474,289.44x = 18,712,103.85 × 3,955,290.12 - Step 4: Simplify right side
12,474,289.44x = 74,011,799,482,318.97 - Step 5: Solve for x
x = 74,011,799,482,318.97/12,474,289.44 - Step 6: Final answer
x = 5,933,147.52
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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.