Home / 18,418,139.32-27,646,371.22-13,565,924.68

Finding the Fourth Proportional to 18,418,139.32, 27,646,371.22 and 13,565,924.68

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Solution

The fourth proportional to 18,418,139.32, 27,646,371.22 and 13,565,924.68 is: 20,363,001.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418,139.32 : 27,646,371.22 = 13,565,924.68 : x
  2. Step 2: Convert to fraction form
    18,418,139.32/27,646,371.22 = 13,565,924.68/x
  3. Step 3: Cross multiply
    18,418,139.32x = 27,646,371.22 × 13,565,924.68
  4. Step 4: Simplify right side
    18,418,139.32x = 375,048,589,645,839.69
  5. Step 5: Solve for x
    x = 375,048,589,645,839.69/18,418,139.32
  6. Step 6: Final answer
    x = 20,363,001.01

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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.