Home / 31,853,615.66-47,750,151.24-20,306,675.75

Finding the Fourth Proportional to 31,853,615.66, 47,750,151.24 and 20,306,675.75

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Solution

The fourth proportional to 31,853,615.66, 47,750,151.24 and 20,306,675.75 is: 30,440,715.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,853,615.66 : 47,750,151.24 = 20,306,675.75 : x
  2. Step 2: Convert to fraction form
    31,853,615.66/47,750,151.24 = 20,306,675.75/x
  3. Step 3: Cross multiply
    31,853,615.66x = 47,750,151.24 × 20,306,675.75
  4. Step 4: Simplify right side
    31,853,615.66x = 969,646,838,273,936.62
  5. Step 5: Solve for x
    x = 969,646,838,273,936.62/31,853,615.66
  6. Step 6: Final answer
    x = 30,440,715.07

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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.