Home / 25,431,540.80-38,147,311.20-14,681,998.40

Finding the Fourth Proportional to 25,431,540.80, 38,147,311.20 and 14,681,998.40

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Solution

The fourth proportional to 25,431,540.80, 38,147,311.20 and 14,681,998.40 is: 22,022,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,431,540.80 : 38,147,311.20 = 14,681,998.40 : x
  2. Step 2: Convert to fraction form
    25,431,540.80/38,147,311.20 = 14,681,998.40/x
  3. Step 3: Cross multiply
    25,431,540.80x = 38,147,311.20 × 14,681,998.40
  4. Step 4: Simplify right side
    25,431,540.80x = 560,078,762,002,702.12
  5. Step 5: Solve for x
    x = 560,078,762,002,702.12/25,431,540.80
  6. Step 6: Final answer
    x = 22,022,997.60

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1.5x scale

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.