Home / 15,488,977.50-21,375,192.24-8,519,834.70

Finding the Fourth Proportional to 15,488,977.50, 21,375,192.24 and 8,519,834.70

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Solution

The fourth proportional to 15,488,977.50, 21,375,192.24 and 8,519,834.70 is: 11,757,593.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,488,977.50 : 21,375,192.24 = 8,519,834.70 : x
  2. Step 2: Convert to fraction form
    15,488,977.50/21,375,192.24 = 8,519,834.70/x
  3. Step 3: Cross multiply
    15,488,977.50x = 21,375,192.24 × 8,519,834.70
  4. Step 4: Simplify right side
    15,488,977.50x = 182,113,104,565,522.69
  5. Step 5: Solve for x
    x = 182,113,104,565,522.69/15,488,977.50
  6. Step 6: Final answer
    x = 11,757,593.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.