Home / 31,939,179.80-47,891,273.70-15,729,485.72

Finding the Fourth Proportional to 31,939,179.80, 47,891,273.70 and 15,729,485.72

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Solution

The fourth proportional to 31,939,179.80, 47,891,273.70 and 15,729,485.72 is: 23,585,612.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,939,179.80 : 47,891,273.70 = 15,729,485.72 : x
  2. Step 2: Convert to fraction form
    31,939,179.80/47,891,273.70 = 15,729,485.72/x
  3. Step 3: Cross multiply
    31,939,179.80x = 47,891,273.70 × 15,729,485.72
  4. Step 4: Simplify right side
    31,939,179.80x = 753,305,105,776,761.62
  5. Step 5: Solve for x
    x = 753,305,105,776,761.62/31,939,179.80
  6. Step 6: Final answer
    x = 23,585,612.11

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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.