Home / 8,216,155.17-12,325,354.28-3,422,723.43

Finding the Fourth Proportional to 8,216,155.17, 12,325,354.28 and 3,422,723.43

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Solution

The fourth proportional to 8,216,155.17, 12,325,354.28 and 3,422,723.43 is: 5,134,552.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216,155.17 : 12,325,354.28 = 3,422,723.43 : x
  2. Step 2: Convert to fraction form
    8,216,155.17/12,325,354.28 = 3,422,723.43/x
  3. Step 3: Cross multiply
    8,216,155.17x = 12,325,354.28 × 3,422,723.43
  4. Step 4: Simplify right side
    8,216,155.17x = 42,186,278,877,206.78
  5. Step 5: Solve for x
    x = 42,186,278,877,206.78/8,216,155.17
  6. Step 6: Final answer
    x = 5,134,552.36

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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.