Home / 47,381,947.41-71,027,517.18-20,050,642.70

Finding the Fourth Proportional to 47,381,947.41, 71,027,517.18 and 20,050,642.70

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Solution

The fourth proportional to 47,381,947.41, 71,027,517.18 and 20,050,642.70 is: 30,056,750.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,381,947.41 : 71,027,517.18 = 20,050,642.70 : x
  2. Step 2: Convert to fraction form
    47,381,947.41/71,027,517.18 = 20,050,642.70/x
  3. Step 3: Cross multiply
    47,381,947.41x = 71,027,517.18 × 20,050,642.70
  4. Step 4: Simplify right side
    47,381,947.41x = 1,424,147,368,717,912.25
  5. Step 5: Solve for x
    x = 1,424,147,368,717,912.25/47,381,947.41
  6. Step 6: Final answer
    x = 30,056,750.44

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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.