Home / 40,138,380.23-55,392,487.35-22,497,608.83

Finding the Fourth Proportional to 40,138,380.23, 55,392,487.35 and 22,497,608.83

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Solution

The fourth proportional to 40,138,380.23, 55,392,487.35 and 22,497,608.83 is: 31,047,553.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,138,380.23 : 55,392,487.35 = 22,497,608.83 : x
  2. Step 2: Convert to fraction form
    40,138,380.23/55,392,487.35 = 22,497,608.83/x
  3. Step 3: Cross multiply
    40,138,380.23x = 55,392,487.35 × 22,497,608.83
  4. Step 4: Simplify right side
    40,138,380.23x = 1,246,198,512,244,060.75
  5. Step 5: Solve for x
    x = 1,246,198,512,244,060.75/40,138,380.23
  6. Step 6: Final answer
    x = 31,047,553.62

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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.