Home / 31,503,736.20-47,255,604.30-28,811,101.80

Finding the Fourth Proportional to 31,503,736.20, 47,255,604.30 and 28,811,101.80

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Solution

The fourth proportional to 31,503,736.20, 47,255,604.30 and 28,811,101.80 is: 43,216,652.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,503,736.20 : 47,255,604.30 = 28,811,101.80 : x
  2. Step 2: Convert to fraction form
    31,503,736.20/47,255,604.30 = 28,811,101.80/x
  3. Step 3: Cross multiply
    31,503,736.20x = 47,255,604.30 × 28,811,101.80
  4. Step 4: Simplify right side
    31,503,736.20x = 1,361,486,026,107,817.75
  5. Step 5: Solve for x
    x = 1,361,486,026,107,817.75/31,503,736.20
  6. Step 6: Final answer
    x = 43,216,652.70

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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.