Home / 20,305,844.32-28,017,532.17-12,041,707.14

Finding the Fourth Proportional to 20,305,844.32, 28,017,532.17 and 12,041,707.14

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Solution

The fourth proportional to 20,305,844.32, 28,017,532.17 and 12,041,707.14 is: 16,614,867.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,305,844.32 : 28,017,532.17 = 12,041,707.14 : x
  2. Step 2: Convert to fraction form
    20,305,844.32/28,017,532.17 = 12,041,707.14/x
  3. Step 3: Cross multiply
    20,305,844.32x = 28,017,532.17 × 12,041,707.14
  4. Step 4: Simplify right side
    20,305,844.32x = 337,378,917,176,668.75
  5. Step 5: Solve for x
    x = 337,378,917,176,668.75/20,305,844.32
  6. Step 6: Final answer
    x = 16,614,867.71

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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.