Home / 8,147,834.70-12,204,037.35-4,947,378.90

Finding the Fourth Proportional to 8,147,834.70, 12,204,037.35 and 4,947,378.90

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Solution

The fourth proportional to 8,147,834.70, 12,204,037.35 and 4,947,378.90 is: 7,410,311.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147,834.70 : 12,204,037.35 = 4,947,378.90 : x
  2. Step 2: Convert to fraction form
    8,147,834.70/12,204,037.35 = 4,947,378.90/x
  3. Step 3: Cross multiply
    8,147,834.70x = 12,204,037.35 × 4,947,378.90
  4. Step 4: Simplify right side
    8,147,834.70x = 60,377,996,880,201.91
  5. Step 5: Solve for x
    x = 60,377,996,880,201.91/8,147,834.70
  6. Step 6: Final answer
    x = 7,410,311.95

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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.