Home / 27,646,279.82-38,151,882.56-15,423,136.82

Finding the Fourth Proportional to 27,646,279.82, 38,151,882.56 and 15,423,136.82

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Solution

The fourth proportional to 27,646,279.82, 38,151,882.56 and 15,423,136.82 is: 21,283,937.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,646,279.82 : 38,151,882.56 = 15,423,136.82 : x
  2. Step 2: Convert to fraction form
    27,646,279.82/38,151,882.56 = 15,423,136.82/x
  3. Step 3: Cross multiply
    27,646,279.82x = 38,151,882.56 × 15,423,136.82
  4. Step 4: Simplify right side
    27,646,279.82x = 588,421,704,395,576.75
  5. Step 5: Solve for x
    x = 588,421,704,395,576.75/27,646,279.82
  6. Step 6: Final answer
    x = 21,283,937.96

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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.