Home / 27,960,429.13-38,565,516.08-18,663,311.71

Finding the Fourth Proportional to 27,960,429.13, 38,565,516.08 and 18,663,311.71

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Solution

The fourth proportional to 27,960,429.13, 38,565,516.08 and 18,663,311.71 is: 25,742,103.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,960,429.13 : 38,565,516.08 = 18,663,311.71 : x
  2. Step 2: Convert to fraction form
    27,960,429.13/38,565,516.08 = 18,663,311.71/x
  3. Step 3: Cross multiply
    27,960,429.13x = 38,565,516.08 × 18,663,311.71
  4. Step 4: Simplify right side
    27,960,429.13x = 719,760,247,735,991.50
  5. Step 5: Solve for x
    x = 719,760,247,735,991.50/27,960,429.13
  6. Step 6: Final answer
    x = 25,742,103.04

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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.