Home / 20,560,150.62-28,373,008.05-11,392,793.37

Finding the Fourth Proportional to 20,560,150.62, 28,373,008.05 and 11,392,793.37

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Solution

The fourth proportional to 20,560,150.62, 28,373,008.05 and 11,392,793.37 is: 15,722,054.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,560,150.62 : 28,373,008.05 = 11,392,793.37 : x
  2. Step 2: Convert to fraction form
    20,560,150.62/28,373,008.05 = 11,392,793.37/x
  3. Step 3: Cross multiply
    20,560,150.62x = 28,373,008.05 × 11,392,793.37
  4. Step 4: Simplify right side
    20,560,150.62x = 323,247,817,998,996.62
  5. Step 5: Solve for x
    x = 323,247,817,998,996.62/20,560,150.62
  6. Step 6: Final answer
    x = 15,722,054.96

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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.