Home / 21,581,523.90-32,367,101.85-12,463,904.70

Finding the Fourth Proportional to 21,581,523.90, 32,367,101.85 and 12,463,904.70

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Solution

The fourth proportional to 21,581,523.90, 32,367,101.85 and 12,463,904.70 is: 18,692,863.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,523.90 : 32,367,101.85 = 12,463,904.70 : x
  2. Step 2: Convert to fraction form
    21,581,523.90/32,367,101.85 = 12,463,904.70/x
  3. Step 3: Cross multiply
    21,581,523.90x = 32,367,101.85 × 12,463,904.70
  4. Step 4: Simplify right side
    21,581,523.90x = 403,420,472,873,593.69
  5. Step 5: Solve for x
    x = 403,420,472,873,593.69/21,581,523.90
  6. Step 6: Final answer
    x = 18,692,863.15

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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.