Home / 8,282,687.20-12,431,029.20-3,237,618.40

Finding the Fourth Proportional to 8,282,687.20, 12,431,029.20 and 3,237,618.40

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Solution

The fourth proportional to 8,282,687.20, 12,431,029.20 and 3,237,618.40 is: 4,859,163.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,282,687.20 : 12,431,029.20 = 3,237,618.40 : x
  2. Step 2: Convert to fraction form
    8,282,687.20/12,431,029.20 = 3,237,618.40/x
  3. Step 3: Cross multiply
    8,282,687.20x = 12,431,029.20 × 3,237,618.40
  4. Step 4: Simplify right side
    8,282,687.20x = 40,246,928,868,857.27
  5. Step 5: Solve for x
    x = 40,246,928,868,857.27/8,282,687.20
  6. Step 6: Final answer
    x = 4,859,163.20

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1.5x scale

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.