Home / 14,911,830-22,339,249.20-12,498,431.76

Finding the Fourth Proportional to 14,911,830, 22,339,249.20 and 12,498,431.76

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Solution

The fourth proportional to 14,911,830, 22,339,249.20 and 12,498,431.76 is: 18,723,763.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,911,830 : 22,339,249.20 = 12,498,431.76 : x
  2. Step 2: Convert to fraction form
    14,911,830/22,339,249.20 = 12,498,431.76/x
  3. Step 3: Cross multiply
    14,911,830x = 22,339,249.20 × 12,498,431.76
  4. Step 4: Simplify right side
    14,911,830x = 279,205,581,695,834.56
  5. Step 5: Solve for x
    x = 279,205,581,695,834.56/14,911,830
  6. Step 6: Final answer
    x = 18,723,763.73

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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.