Home / 22,223,909.20-33,406,722.60-20,948,450.80

Finding the Fourth Proportional to 22,223,909.20, 33,406,722.60 and 20,948,450.80

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Solution

The fourth proportional to 22,223,909.20, 33,406,722.60 and 20,948,450.80 is: 31,489,468.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,223,909.20 : 33,406,722.60 = 20,948,450.80 : x
  2. Step 2: Convert to fraction form
    22,223,909.20/33,406,722.60 = 20,948,450.80/x
  3. Step 3: Cross multiply
    22,223,909.20x = 33,406,722.60 × 20,948,450.80
  4. Step 4: Simplify right side
    22,223,909.20x = 699,819,084,775,348.12
  5. Step 5: Solve for x
    x = 699,819,084,775,348.12/22,223,909.20
  6. Step 6: Final answer
    x = 31,489,468.32

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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.