Home / 12,482,024.80-18,723,037.20-11,785,295.20

Finding the Fourth Proportional to 12,482,024.80, 18,723,037.20 and 11,785,295.20

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Solution

The fourth proportional to 12,482,024.80, 18,723,037.20 and 11,785,295.20 is: 17,677,942.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,024.80 : 18,723,037.20 = 11,785,295.20 : x
  2. Step 2: Convert to fraction form
    12,482,024.80/18,723,037.20 = 11,785,295.20/x
  3. Step 3: Cross multiply
    12,482,024.80x = 18,723,037.20 × 11,785,295.20
  4. Step 4: Simplify right side
    12,482,024.80x = 220,656,520,442,581.41
  5. Step 5: Solve for x
    x = 220,656,520,442,581.41/12,482,024.80
  6. Step 6: Final answer
    x = 17,677,942.80

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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.