Home / 27,699,404.97-38,227,158.06-15,309,231.87

Finding the Fourth Proportional to 27,699,404.97, 38,227,158.06 and 15,309,231.87

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Solution

The fourth proportional to 27,699,404.97, 38,227,158.06 and 15,309,231.87 is: 21,127,833.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,699,404.97 : 38,227,158.06 = 15,309,231.87 : x
  2. Step 2: Convert to fraction form
    27,699,404.97/38,227,158.06 = 15,309,231.87/x
  3. Step 3: Cross multiply
    27,699,404.97x = 38,227,158.06 × 15,309,231.87
  4. Step 4: Simplify right side
    27,699,404.97x = 585,228,426,471,679.38
  5. Step 5: Solve for x
    x = 585,228,426,471,679.38/27,699,404.97
  6. Step 6: Final answer
    x = 21,127,833.87

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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.