Home / 20,207,335.20-27,882,324-11,504,980.32

Finding the Fourth Proportional to 20,207,335.20, 27,882,324 and 11,504,980.32

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Solution

The fourth proportional to 20,207,335.20, 27,882,324 and 11,504,980.32 is: 15,874,710.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,207,335.20 : 27,882,324 = 11,504,980.32 : x
  2. Step 2: Convert to fraction form
    20,207,335.20/27,882,324 = 11,504,980.32/x
  3. Step 3: Cross multiply
    20,207,335.20x = 27,882,324 × 11,504,980.32
  4. Step 4: Simplify right side
    20,207,335.20x = 320,785,588,895,863.69
  5. Step 5: Solve for x
    x = 320,785,588,895,863.69/20,207,335.20
  6. Step 6: Final answer
    x = 15,874,710.13

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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.