Home / 8,216,154.17-12,325,352.78-3,422,722.43

Finding the Fourth Proportional to 8,216,154.17, 12,325,352.78 and 3,422,722.43

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Solution

The fourth proportional to 8,216,154.17, 12,325,352.78 and 3,422,722.43 is: 5,134,550.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216,154.17 : 12,325,352.78 = 3,422,722.43 : x
  2. Step 2: Convert to fraction form
    8,216,154.17/12,325,352.78 = 3,422,722.43/x
  3. Step 3: Cross multiply
    8,216,154.17x = 12,325,352.78 × 3,422,722.43
  4. Step 4: Simplify right side
    8,216,154.17x = 42,186,261,457,139.05
  5. Step 5: Solve for x
    x = 42,186,261,457,139.05/8,216,154.17
  6. Step 6: Final answer
    x = 5,134,550.86

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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.