Home / 40,505,287.38-55,897,821.46-22,170,179.22

Finding the Fourth Proportional to 40,505,287.38, 55,897,821.46 and 22,170,179.22

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Solution

The fourth proportional to 40,505,287.38, 55,897,821.46 and 22,170,179.22 is: 30,595,134.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,505,287.38 : 55,897,821.46 = 22,170,179.22 : x
  2. Step 2: Convert to fraction form
    40,505,287.38/55,897,821.46 = 22,170,179.22/x
  3. Step 3: Cross multiply
    40,505,287.38x = 55,897,821.46 × 22,170,179.22
  4. Step 4: Simplify right side
    40,505,287.38x = 1,239,264,719,496,273
  5. Step 5: Solve for x
    x = 1,239,264,719,496,273/40,505,287.38
  6. Step 6: Final answer
    x = 30,595,134.61

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1.5x scale

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.