Home / 21,184,829.20-31,744,584.60-15,768,067.60

Finding the Fourth Proportional to 21,184,829.20, 31,744,584.60 and 15,768,067.60

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Solution

The fourth proportional to 21,184,829.20, 31,744,584.60 and 15,768,067.60 is: 23,627,792.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,184,829.20 : 31,744,584.60 = 15,768,067.60 : x
  2. Step 2: Convert to fraction form
    21,184,829.20/31,744,584.60 = 15,768,067.60/x
  3. Step 3: Cross multiply
    21,184,829.20x = 31,744,584.60 × 15,768,067.60
  4. Step 4: Simplify right side
    21,184,829.20x = 500,550,755,906,719
  5. Step 5: Solve for x
    x = 500,550,755,906,719/21,184,829.20
  6. Step 6: Final answer
    x = 23,627,792.85

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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.