Home / 20,426,375.66-30,633,584.78-16,823,205.68

Finding the Fourth Proportional to 20,426,375.66, 30,633,584.78 and 16,823,205.68

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Solution

The fourth proportional to 20,426,375.66, 30,633,584.78 and 16,823,205.68 is: 25,229,884.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,426,375.66 : 30,633,584.78 = 16,823,205.68 : x
  2. Step 2: Convert to fraction form
    20,426,375.66/30,633,584.78 = 16,823,205.68/x
  3. Step 3: Cross multiply
    20,426,375.66x = 30,633,584.78 × 16,823,205.68
  4. Step 4: Simplify right side
    20,426,375.66x = 515,355,097,469,657.56
  5. Step 5: Solve for x
    x = 515,355,097,469,657.56/20,426,375.66
  6. Step 6: Final answer
    x = 25,229,884.44

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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.