Home / 27,960,450.12-38,565,545.04-18,663,332.76

Finding the Fourth Proportional to 27,960,450.12, 38,565,545.04 and 18,663,332.76

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Solution

The fourth proportional to 27,960,450.12, 38,565,545.04 and 18,663,332.76 is: 25,742,132.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,960,450.12 : 38,565,545.04 = 18,663,332.76 : x
  2. Step 2: Convert to fraction form
    27,960,450.12/38,565,545.04 = 18,663,332.76/x
  3. Step 3: Cross multiply
    27,960,450.12x = 38,565,545.04 × 18,663,332.76
  4. Step 4: Simplify right side
    27,960,450.12x = 719,761,600,152,287.50
  5. Step 5: Solve for x
    x = 719,761,600,152,287.50/27,960,450.12
  6. Step 6: Final answer
    x = 25,742,132.09

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Double scale
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1.5x scale

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.