Home / 31,654,212.64-47,481,243.76-20,792,960.80

Finding the Fourth Proportional to 31,654,212.64, 47,481,243.76 and 20,792,960.80

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Solution

The fourth proportional to 31,654,212.64, 47,481,243.76 and 20,792,960.80 is: 31,189,391.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,654,212.64 : 47,481,243.76 = 20,792,960.80 : x
  2. Step 2: Convert to fraction form
    31,654,212.64/47,481,243.76 = 20,792,960.80/x
  3. Step 3: Cross multiply
    31,654,212.64x = 47,481,243.76 × 20,792,960.80
  4. Step 4: Simplify right side
    31,654,212.64x = 987,275,640,236,924.62
  5. Step 5: Solve for x
    x = 987,275,640,236,924.62/31,654,212.64
  6. Step 6: Final answer
    x = 31,189,391.80

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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.