Home / 12,288,596.20-18,432,894.30-11,757,754.60

Finding the Fourth Proportional to 12,288,596.20, 18,432,894.30 and 11,757,754.60

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Solution

The fourth proportional to 12,288,596.20, 18,432,894.30 and 11,757,754.60 is: 17,636,631.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,288,596.20 : 18,432,894.30 = 11,757,754.60 : x
  2. Step 2: Convert to fraction form
    12,288,596.20/18,432,894.30 = 11,757,754.60/x
  3. Step 3: Cross multiply
    12,288,596.20x = 18,432,894.30 × 11,757,754.60
  4. Step 4: Simplify right side
    12,288,596.20x = 216,729,447,747,138.78
  5. Step 5: Solve for x
    x = 216,729,447,747,138.78/12,288,596.20
  6. Step 6: Final answer
    x = 17,636,631.90

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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.