Home / 20,382,449.20-30,564,225.78-7,599,521.68

Finding the Fourth Proportional to 20,382,449.20, 30,564,225.78 and 7,599,521.68

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Solution

The fourth proportional to 20,382,449.20, 30,564,225.78 and 7,599,521.68 is: 11,395,759.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,382,449.20 : 30,564,225.78 = 7,599,521.68 : x
  2. Step 2: Convert to fraction form
    20,382,449.20/30,564,225.78 = 7,599,521.68/x
  3. Step 3: Cross multiply
    20,382,449.20x = 30,564,225.78 × 7,599,521.68
  4. Step 4: Simplify right side
    20,382,449.20x = 232,273,496,447,524.91
  5. Step 5: Solve for x
    x = 232,273,496,447,524.91/20,382,449.20
  6. Step 6: Final answer
    x = 11,395,759.86

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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.