Home / 43,578,179.36-65,375,887.65-12,454,115.76

Finding the Fourth Proportional to 43,578,179.36, 65,375,887.65 and 12,454,115.76

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Solution

The fourth proportional to 43,578,179.36, 65,375,887.65 and 12,454,115.76 is: 18,683,636.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,578,179.36 : 65,375,887.65 = 12,454,115.76 : x
  2. Step 2: Convert to fraction form
    43,578,179.36/65,375,887.65 = 12,454,115.76/x
  3. Step 3: Cross multiply
    43,578,179.36x = 65,375,887.65 × 12,454,115.76
  4. Step 4: Simplify right side
    43,578,179.36x = 814,198,872,705,854.38
  5. Step 5: Solve for x
    x = 814,198,872,705,854.38/43,578,179.36
  6. Step 6: Final answer
    x = 18,683,636.73

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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.