Home / 20,204,767.28-27,882,604.14-11,502,939.72

Finding the Fourth Proportional to 20,204,767.28, 27,882,604.14 and 11,502,939.72

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Solution

The fourth proportional to 20,204,767.28, 27,882,604.14 and 11,502,939.72 is: 15,874,071.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204,767.28 : 27,882,604.14 = 11,502,939.72 : x
  2. Step 2: Convert to fraction form
    20,204,767.28/27,882,604.14 = 11,502,939.72/x
  3. Step 3: Cross multiply
    20,204,767.28x = 27,882,604.14 × 11,502,939.72
  4. Step 4: Simplify right side
    20,204,767.28x = 320,731,914,659,042.44
  5. Step 5: Solve for x
    x = 320,731,914,659,042.44/20,204,767.28
  6. Step 6: Final answer
    x = 15,874,071.21

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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.