Home / 31,830,778.26-47,741,370.41-20,396,151.36

Finding the Fourth Proportional to 31,830,778.26, 47,741,370.41 and 20,396,151.36

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Solution

The fourth proportional to 31,830,778.26, 47,741,370.41 and 20,396,151.36 is: 30,591,153.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,830,778.26 : 47,741,370.41 = 20,396,151.36 : x
  2. Step 2: Convert to fraction form
    31,830,778.26/47,741,370.41 = 20,396,151.36/x
  3. Step 3: Cross multiply
    31,830,778.26x = 47,741,370.41 × 20,396,151.36
  4. Step 4: Simplify right side
    31,830,778.26x = 973,740,217,067,175.62
  5. Step 5: Solve for x
    x = 973,740,217,067,175.62/31,830,778.26
  6. Step 6: Final answer
    x = 30,591,153.29

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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.