Home / 31,727,949.84-47,591,925.21-20,942,727.75

Finding the Fourth Proportional to 31,727,949.84, 47,591,925.21 and 20,942,727.75

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Solution

The fourth proportional to 31,727,949.84, 47,591,925.21 and 20,942,727.75 is: 31,414,091.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,727,949.84 : 47,591,925.21 = 20,942,727.75 : x
  2. Step 2: Convert to fraction form
    31,727,949.84/47,591,925.21 = 20,942,727.75/x
  3. Step 3: Cross multiply
    31,727,949.84x = 47,591,925.21 × 20,942,727.75
  4. Step 4: Simplify right side
    31,727,949.84x = 996,704,732,771,391.62
  5. Step 5: Solve for x
    x = 996,704,732,771,391.62/31,727,949.84
  6. Step 6: Final answer
    x = 31,414,091.92

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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.