Home / 15,488,174.85-21,378,186.88-10,331,524.10

Finding the Fourth Proportional to 15,488,174.85, 21,378,186.88 and 10,331,524.10

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Solution

The fourth proportional to 15,488,174.85, 21,378,186.88 and 10,331,524.10 is: 14,260,508.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,488,174.85 : 21,378,186.88 = 10,331,524.10 : x
  2. Step 2: Convert to fraction form
    15,488,174.85/21,378,186.88 = 10,331,524.10/x
  3. Step 3: Cross multiply
    15,488,174.85x = 21,378,186.88 × 10,331,524.10
  4. Step 4: Simplify right side
    15,488,174.85x = 220,869,252,965,023.78
  5. Step 5: Solve for x
    x = 220,869,252,965,023.78/15,488,174.85
  6. Step 6: Final answer
    x = 14,260,508.75

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1.5x scale

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.