Home / 31,727,937.36-47,591,906.48-20,942,715.24

Finding the Fourth Proportional to 31,727,937.36, 47,591,906.48 and 20,942,715.24

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Solution

The fourth proportional to 31,727,937.36, 47,591,906.48 and 20,942,715.24 is: 31,414,073.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,727,937.36 : 47,591,906.48 = 20,942,715.24 : x
  2. Step 2: Convert to fraction form
    31,727,937.36/47,591,906.48 = 20,942,715.24/x
  3. Step 3: Cross multiply
    31,727,937.36x = 47,591,906.48 × 20,942,715.24
  4. Step 4: Simplify right side
    31,727,937.36x = 996,703,745,139,350.62
  5. Step 5: Solve for x
    x = 996,703,745,139,350.62/31,727,937.36
  6. Step 6: Final answer
    x = 31,414,073.15

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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.