Home / 12,251,723.40-18,377,585.10-12,062,766.60

Finding the Fourth Proportional to 12,251,723.40, 18,377,585.10 and 12,062,766.60

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Solution

The fourth proportional to 12,251,723.40, 18,377,585.10 and 12,062,766.60 is: 18,094,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251,723.40 : 18,377,585.10 = 12,062,766.60 : x
  2. Step 2: Convert to fraction form
    12,251,723.40/18,377,585.10 = 12,062,766.60/x
  3. Step 3: Cross multiply
    12,251,723.40x = 18,377,585.10 × 12,062,766.60
  4. Step 4: Simplify right side
    12,251,723.40x = 221,684,519,732,937.66
  5. Step 5: Solve for x
    x = 221,684,519,732,937.66/12,251,723.40
  6. Step 6: Final answer
    x = 18,094,149.90

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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.