Home / 31,591,723.20-47,387,584.80-25,852,160.40

Finding the Fourth Proportional to 31,591,723.20, 47,387,584.80 and 25,852,160.40

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Solution

The fourth proportional to 31,591,723.20, 47,387,584.80 and 25,852,160.40 is: 38,778,240.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,591,723.20 : 47,387,584.80 = 25,852,160.40 : x
  2. Step 2: Convert to fraction form
    31,591,723.20/47,387,584.80 = 25,852,160.40/x
  3. Step 3: Cross multiply
    31,591,723.20x = 47,387,584.80 × 25,852,160.40
  4. Step 4: Simplify right side
    31,591,723.20x = 1,225,071,443,218,201.75
  5. Step 5: Solve for x
    x = 1,225,071,443,218,201.75/31,591,723.20
  6. Step 6: Final answer
    x = 38,778,240.60

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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.