Home / 14,766,686.20-20,378,031.30-8,151,279.16

Finding the Fourth Proportional to 14,766,686.20, 20,378,031.30 and 8,151,279.16

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Solution

The fourth proportional to 14,766,686.20, 20,378,031.30 and 8,151,279.16 is: 11,248,767.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,766,686.20 : 20,378,031.30 = 8,151,279.16 : x
  2. Step 2: Convert to fraction form
    14,766,686.20/20,378,031.30 = 8,151,279.16/x
  3. Step 3: Cross multiply
    14,766,686.20x = 20,378,031.30 × 8,151,279.16
  4. Step 4: Simplify right side
    14,766,686.20x = 166,107,021,857,517.72
  5. Step 5: Solve for x
    x = 166,107,021,857,517.72/14,766,686.20
  6. Step 6: Final answer
    x = 11,248,767.64

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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.