Home / 20,159,244.70-30,238,867.05-7,375,500.70

Finding the Fourth Proportional to 20,159,244.70, 30,238,867.05 and 7,375,500.70

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Solution

The fourth proportional to 20,159,244.70, 30,238,867.05 and 7,375,500.70 is: 11,063,251.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,159,244.70 : 30,238,867.05 = 7,375,500.70 : x
  2. Step 2: Convert to fraction form
    20,159,244.70/30,238,867.05 = 7,375,500.70/x
  3. Step 3: Cross multiply
    20,159,244.70x = 30,238,867.05 × 7,375,500.70
  4. Step 4: Simplify right side
    20,159,244.70x = 223,026,785,094,481.94
  5. Step 5: Solve for x
    x = 223,026,785,094,481.94/20,159,244.70
  6. Step 6: Final answer
    x = 11,063,251.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.