Home / 20,455,932.83-28,229,785.78-11,164,098.87

Finding the Fourth Proportional to 20,455,932.83, 28,229,785.78 and 11,164,098.87

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Solution

The fourth proportional to 20,455,932.83, 28,229,785.78 and 11,164,098.87 is: 15,406,783.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,455,932.83 : 28,229,785.78 = 11,164,098.87 : x
  2. Step 2: Convert to fraction form
    20,455,932.83/28,229,785.78 = 11,164,098.87/x
  3. Step 3: Cross multiply
    20,455,932.83x = 28,229,785.78 × 11,164,098.87
  4. Step 4: Simplify right side
    20,455,932.83x = 315,160,119,414,000.88
  5. Step 5: Solve for x
    x = 315,160,119,414,000.88/20,455,932.83
  6. Step 6: Final answer
    x = 15,406,783.06

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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.