Home / 12,132,022.20-18,198,033.30-11,208,233.40

Finding the Fourth Proportional to 12,132,022.20, 18,198,033.30 and 11,208,233.40

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Solution

The fourth proportional to 12,132,022.20, 18,198,033.30 and 11,208,233.40 is: 16,812,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132,022.20 : 18,198,033.30 = 11,208,233.40 : x
  2. Step 2: Convert to fraction form
    12,132,022.20/18,198,033.30 = 11,208,233.40/x
  3. Step 3: Cross multiply
    12,132,022.20x = 18,198,033.30 × 11,208,233.40
  4. Step 4: Simplify right side
    12,132,022.20x = 203,967,804,647,372.25
  5. Step 5: Solve for x
    x = 203,967,804,647,372.25/12,132,022.20
  6. Step 6: Final answer
    x = 16,812,350.10

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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.