Home / 12,251,884.20-18,377,826.30-8,142,073.80

Finding the Fourth Proportional to 12,251,884.20, 18,377,826.30 and 8,142,073.80

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Solution

The fourth proportional to 12,251,884.20, 18,377,826.30 and 8,142,073.80 is: 12,213,110.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251,884.20 : 18,377,826.30 = 8,142,073.80 : x
  2. Step 2: Convert to fraction form
    12,251,884.20/18,377,826.30 = 8,142,073.80/x
  3. Step 3: Cross multiply
    12,251,884.20x = 18,377,826.30 × 8,142,073.80
  4. Step 4: Simplify right side
    12,251,884.20x = 149,633,618,018,180.94
  5. Step 5: Solve for x
    x = 149,633,618,018,180.94/12,251,884.20
  6. Step 6: Final answer
    x = 12,213,110.70

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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.