Home / 12,098,766.70-18,148,150.05-12,014,785.90

Finding the Fourth Proportional to 12,098,766.70, 18,148,150.05 and 12,014,785.90

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Solution

The fourth proportional to 12,098,766.70, 18,148,150.05 and 12,014,785.90 is: 18,022,178.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098,766.70 : 18,148,150.05 = 12,014,785.90 : x
  2. Step 2: Convert to fraction form
    12,098,766.70/18,148,150.05 = 12,014,785.90/x
  3. Step 3: Cross multiply
    12,098,766.70x = 18,148,150.05 × 12,014,785.90
  4. Step 4: Simplify right side
    12,098,766.70x = 218,046,137,331,824.31
  5. Step 5: Solve for x
    x = 218,046,137,331,824.31/12,098,766.70
  6. Step 6: Final answer
    x = 18,022,178.85

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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.