Home / 18,141,105.28-25,034,760.03-9,881,142.02

Finding the Fourth Proportional to 18,141,105.28, 25,034,760.03 and 9,881,142.02

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Solution

The fourth proportional to 18,141,105.28, 25,034,760.03 and 9,881,142.02 is: 13,635,994.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141,105.28 : 25,034,760.03 = 9,881,142.02 : x
  2. Step 2: Convert to fraction form
    18,141,105.28/25,034,760.03 = 9,881,142.02/x
  3. Step 3: Cross multiply
    18,141,105.28x = 25,034,760.03 × 9,881,142.02
  4. Step 4: Simplify right side
    18,141,105.28x = 247,372,019,378,514.47
  5. Step 5: Solve for x
    x = 247,372,019,378,514.47/18,141,105.28
  6. Step 6: Final answer
    x = 13,635,994.91

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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.