Home / 31,654,213.64-47,481,245.26-20,792,961.80

Finding the Fourth Proportional to 31,654,213.64, 47,481,245.26 and 20,792,961.80

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Solution

The fourth proportional to 31,654,213.64, 47,481,245.26 and 20,792,961.80 is: 31,189,393.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,654,213.64 : 47,481,245.26 = 20,792,961.80 : x
  2. Step 2: Convert to fraction form
    31,654,213.64/47,481,245.26 = 20,792,961.80/x
  3. Step 3: Cross multiply
    31,654,213.64x = 47,481,245.26 × 20,792,961.80
  4. Step 4: Simplify right side
    31,654,213.64x = 987,275,718,907,611
  5. Step 5: Solve for x
    x = 987,275,718,907,611/31,654,213.64
  6. Step 6: Final answer
    x = 31,189,393.30

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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.