Home / 18,815,997.30-28,286,981.55-16,044,630.90

Finding the Fourth Proportional to 18,815,997.30, 28,286,981.55 and 16,044,630.90

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Solution

The fourth proportional to 18,815,997.30, 28,286,981.55 and 16,044,630.90 is: 24,120,654.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,815,997.30 : 28,286,981.55 = 16,044,630.90 : x
  2. Step 2: Convert to fraction form
    18,815,997.30/28,286,981.55 = 16,044,630.90/x
  3. Step 3: Cross multiply
    18,815,997.30x = 28,286,981.55 × 16,044,630.90
  4. Step 4: Simplify right side
    18,815,997.30x = 453,854,178,244,859.94
  5. Step 5: Solve for x
    x = 453,854,178,244,859.94/18,815,997.30
  6. Step 6: Final answer
    x = 24,120,654.94

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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.