Home / 38,251,213.52-52,785,134.88-20,847,184.16

Finding the Fourth Proportional to 38,251,213.52, 52,785,134.88 and 20,847,184.16

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Solution

The fourth proportional to 38,251,213.52, 52,785,134.88 and 20,847,184.16 is: 28,768,274.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,251,213.52 : 52,785,134.88 = 20,847,184.16 : x
  2. Step 2: Convert to fraction form
    38,251,213.52/52,785,134.88 = 20,847,184.16/x
  3. Step 3: Cross multiply
    38,251,213.52x = 52,785,134.88 × 20,847,184.16
  4. Step 4: Simplify right side
    38,251,213.52x = 1,100,421,427,753,799.62
  5. Step 5: Solve for x
    x = 1,100,421,427,753,799.62/38,251,213.52
  6. Step 6: Final answer
    x = 28,768,274.95

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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.