Home / 20,455,932.41-28,229,785.20-11,164,098.44

Finding the Fourth Proportional to 20,455,932.41, 28,229,785.20 and 11,164,098.44

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Solution

The fourth proportional to 20,455,932.41, 28,229,785.20 and 11,164,098.44 is: 15,406,782.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,455,932.41 : 28,229,785.20 = 11,164,098.44 : x
  2. Step 2: Convert to fraction form
    20,455,932.41/28,229,785.20 = 11,164,098.44/x
  3. Step 3: Cross multiply
    20,455,932.41x = 28,229,785.20 × 11,164,098.44
  4. Step 4: Simplify right side
    20,455,932.41x = 315,160,100,983,429.56
  5. Step 5: Solve for x
    x = 315,160,100,983,429.56/20,455,932.41
  6. Step 6: Final answer
    x = 15,406,782.48

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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.