Home / 20,759,532.22-28,399,187.20-20,672,094.59

Finding the Fourth Proportional to 20,759,532.22, 28,399,187.20 and 20,672,094.59

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Solution

The fourth proportional to 20,759,532.22, 28,399,187.20 and 20,672,094.59 is: 28,279,571.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,759,532.22 : 28,399,187.20 = 20,672,094.59 : x
  2. Step 2: Convert to fraction form
    20,759,532.22/28,399,187.20 = 20,672,094.59/x
  3. Step 3: Cross multiply
    20,759,532.22x = 28,399,187.20 × 20,672,094.59
  4. Step 4: Simplify right side
    20,759,532.22x = 587,070,684,188,794.62
  5. Step 5: Solve for x
    x = 587,070,684,188,794.62/20,759,532.22
  6. Step 6: Final answer
    x = 28,279,571.91

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.