Home / 8,216,155.67-12,325,355.04-3,422,723.94

Finding the Fourth Proportional to 8,216,155.67, 12,325,355.04 and 3,422,723.94

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Solution

The fourth proportional to 8,216,155.67, 12,325,355.04 and 3,422,723.94 is: 5,134,553.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216,155.67 : 12,325,355.04 = 3,422,723.94 : x
  2. Step 2: Convert to fraction form
    8,216,155.67/12,325,355.04 = 3,422,723.94/x
  3. Step 3: Cross multiply
    8,216,155.67x = 12,325,355.04 × 3,422,723.94
  4. Step 4: Simplify right side
    8,216,155.67x = 42,186,287,764,407.66
  5. Step 5: Solve for x
    x = 42,186,287,764,407.66/8,216,155.67
  6. Step 6: Final answer
    x = 5,134,553.13

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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.