Home / 12,225,209.10-18,338,441.60-3,127,385.49

Finding the Fourth Proportional to 12,225,209.10, 18,338,441.60 and 3,127,385.49

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Solution

The fourth proportional to 12,225,209.10, 18,338,441.60 and 3,127,385.49 is: 4,691,238.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225,209.10 : 18,338,441.60 = 3,127,385.49 : x
  2. Step 2: Convert to fraction form
    12,225,209.10/18,338,441.60 = 3,127,385.49/x
  3. Step 3: Cross multiply
    12,225,209.10x = 18,338,441.60 × 3,127,385.49
  4. Step 4: Simplify right side
    12,225,209.10x = 57,351,376,169,052.39
  5. Step 5: Solve for x
    x = 57,351,376,169,052.39/12,225,209.10
  6. Step 6: Final answer
    x = 4,691,238.87

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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.