Home / 8,103,340.30-12,155,031.22-3,311,029.58

Finding the Fourth Proportional to 8,103,340.30, 12,155,031.22 and 3,311,029.58

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Solution

The fourth proportional to 8,103,340.30, 12,155,031.22 and 3,311,029.58 is: 4,966,552.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103,340.30 : 12,155,031.22 = 3,311,029.58 : x
  2. Step 2: Convert to fraction form
    8,103,340.30/12,155,031.22 = 3,311,029.58/x
  3. Step 3: Cross multiply
    8,103,340.30x = 12,155,031.22 × 3,311,029.58
  4. Step 4: Simplify right side
    8,103,340.30x = 40,245,667,915,243.49
  5. Step 5: Solve for x
    x = 40,245,667,915,243.49/8,103,340.30
  6. Step 6: Final answer
    x = 4,966,552.86

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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.