Home / 27,960,324.66-38,565,371.88-18,663,207.21

Finding the Fourth Proportional to 27,960,324.66, 38,565,371.88 and 18,663,207.21

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Solution

The fourth proportional to 27,960,324.66, 38,565,371.88 and 18,663,207.21 is: 25,741,958.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,960,324.66 : 38,565,371.88 = 18,663,207.21 : x
  2. Step 2: Convert to fraction form
    27,960,324.66/38,565,371.88 = 18,663,207.21/x
  3. Step 3: Cross multiply
    27,960,324.66x = 38,565,371.88 × 18,663,207.21
  4. Step 4: Simplify right side
    27,960,324.66x = 719,753,526,527,147.38
  5. Step 5: Solve for x
    x = 719,753,526,527,147.38/27,960,324.66
  6. Step 6: Final answer
    x = 25,741,958.84

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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.