Home / 22,138,051.28-30,551,270.38-12,844,919.66

Finding the Fourth Proportional to 22,138,051.28, 30,551,270.38 and 12,844,919.66

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Solution

The fourth proportional to 22,138,051.28, 30,551,270.38 and 12,844,919.66 is: 17,726,429.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,138,051.28 : 30,551,270.38 = 12,844,919.66 : x
  2. Step 2: Convert to fraction form
    22,138,051.28/30,551,270.38 = 12,844,919.66/x
  3. Step 3: Cross multiply
    22,138,051.28x = 30,551,270.38 × 12,844,919.66
  4. Step 4: Simplify right side
    22,138,051.28x = 392,428,613,357,169
  5. Step 5: Solve for x
    x = 392,428,613,357,169/22,138,051.28
  6. Step 6: Final answer
    x = 17,726,429.87

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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.