Home / 12,452,542.20-18,678,813.30-11,974,245.30

Finding the Fourth Proportional to 12,452,542.20, 18,678,813.30 and 11,974,245.30

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Solution

The fourth proportional to 12,452,542.20, 18,678,813.30 and 11,974,245.30 is: 17,961,367.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452,542.20 : 18,678,813.30 = 11,974,245.30 : x
  2. Step 2: Convert to fraction form
    12,452,542.20/18,678,813.30 = 11,974,245.30/x
  3. Step 3: Cross multiply
    12,452,542.20x = 18,678,813.30 × 11,974,245.30
  4. Step 4: Simplify right side
    12,452,542.20x = 223,664,692,367,102.50
  5. Step 5: Solve for x
    x = 223,664,692,367,102.50/12,452,542.20
  6. Step 6: Final answer
    x = 17,961,367.95

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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.