Home / 20,198,755.35-27,874,460.59-11,497,488.20

Finding the Fourth Proportional to 20,198,755.35, 27,874,460.59 and 11,497,488.20

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Solution

The fourth proportional to 20,198,755.35, 27,874,460.59 and 11,497,488.20 is: 15,866,635.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198,755.35 : 27,874,460.59 = 11,497,488.20 : x
  2. Step 2: Convert to fraction form
    20,198,755.35/27,874,460.59 = 11,497,488.20/x
  3. Step 3: Cross multiply
    20,198,755.35x = 27,874,460.59 × 11,497,488.20
  4. Step 4: Simplify right side
    20,198,755.35x = 320,486,281,715,965.12
  5. Step 5: Solve for x
    x = 320,486,281,715,965.12/20,198,755.35
  6. Step 6: Final answer
    x = 15,866,635.15

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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.