Home / 27,221,444.60-40,832,129.57-12,640,390.73

Finding the Fourth Proportional to 27,221,444.60, 40,832,129.57 and 12,640,390.73

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Solution

The fourth proportional to 27,221,444.60, 40,832,129.57 and 12,640,390.73 is: 18,960,568.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,221,444.60 : 40,832,129.57 = 12,640,390.73 : x
  2. Step 2: Convert to fraction form
    27,221,444.60/40,832,129.57 = 12,640,390.73/x
  3. Step 3: Cross multiply
    27,221,444.60x = 40,832,129.57 × 12,640,390.73
  4. Step 4: Simplify right side
    27,221,444.60x = 516,134,071,835,424.25
  5. Step 5: Solve for x
    x = 516,134,071,835,424.25/27,221,444.60
  6. Step 6: Final answer
    x = 18,960,568.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.