Home / 18,126,272.46-27,189,142.46-4,479,418.47

Finding the Fourth Proportional to 18,126,272.46, 27,189,142.46 and 4,479,418.47

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Solution

The fourth proportional to 18,126,272.46, 27,189,142.46 and 4,479,418.47 is: 6,719,061.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126,272.46 : 27,189,142.46 = 4,479,418.47 : x
  2. Step 2: Convert to fraction form
    18,126,272.46/27,189,142.46 = 4,479,418.47/x
  3. Step 3: Cross multiply
    18,126,272.46x = 27,189,142.46 × 4,479,418.47
  4. Step 4: Simplify right side
    18,126,272.46x = 121,791,546,896,388.12
  5. Step 5: Solve for x
    x = 121,791,546,896,388.12/18,126,272.46
  6. Step 6: Final answer
    x = 6,719,061.91

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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.