Home / 21,469,408.40-32,194,781.40-7,086,918.80

Finding the Fourth Proportional to 21,469,408.40, 32,194,781.40 and 7,086,918.80

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Solution

The fourth proportional to 21,469,408.40, 32,194,781.40 and 7,086,918.80 is: 10,627,298.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,469,408.40 : 32,194,781.40 = 7,086,918.80 : x
  2. Step 2: Convert to fraction form
    21,469,408.40/32,194,781.40 = 7,086,918.80/x
  3. Step 3: Cross multiply
    21,469,408.40x = 32,194,781.40 × 7,086,918.80
  4. Step 4: Simplify right side
    21,469,408.40x = 228,161,801,565,550.31
  5. Step 5: Solve for x
    x = 228,161,801,565,550.31/21,469,408.40
  6. Step 6: Final answer
    x = 10,627,298.03

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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.