Home / 31,727,926.60-47,591,890.34-20,942,704.51

Finding the Fourth Proportional to 31,727,926.60, 47,591,890.34 and 20,942,704.51

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Solution

The fourth proportional to 31,727,926.60, 47,591,890.34 and 20,942,704.51 is: 31,414,057.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,727,926.60 : 47,591,890.34 = 20,942,704.51 : x
  2. Step 2: Convert to fraction form
    31,727,926.60/47,591,890.34 = 20,942,704.51/x
  3. Step 3: Cross multiply
    31,727,926.60x = 47,591,890.34 × 20,942,704.51
  4. Step 4: Simplify right side
    31,727,926.60x = 996,702,896,239,250.25
  5. Step 5: Solve for x
    x = 996,702,896,239,250.25/31,727,926.60
  6. Step 6: Final answer
    x = 31,414,057.05

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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.