Home / 8,216,174.11-12,325,382.70-3,422,742.38

Finding the Fourth Proportional to 8,216,174.11, 12,325,382.70 and 3,422,742.38

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Solution

The fourth proportional to 8,216,174.11, 12,325,382.70 and 3,422,742.38 is: 5,134,580.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216,174.11 : 12,325,382.70 = 3,422,742.38 : x
  2. Step 2: Convert to fraction form
    8,216,174.11/12,325,382.70 = 3,422,742.38/x
  3. Step 3: Cross multiply
    8,216,174.11x = 12,325,382.70 × 3,422,742.38
  4. Step 4: Simplify right side
    8,216,174.11x = 42,186,609,717,008.82
  5. Step 5: Solve for x
    x = 42,186,609,717,008.82/8,216,174.11
  6. Step 6: Final answer
    x = 5,134,580.79

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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.