Home / 9,231,958.66-12,739,435.50-5,101,940.38

Finding the Fourth Proportional to 9,231,958.66, 12,739,435.50 and 5,101,940.38

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Solution

The fourth proportional to 9,231,958.66, 12,739,435.50 and 5,101,940.38 is: 7,040,308.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231,958.66 : 12,739,435.50 = 5,101,940.38 : x
  2. Step 2: Convert to fraction form
    9,231,958.66/12,739,435.50 = 5,101,940.38/x
  3. Step 3: Cross multiply
    9,231,958.66x = 12,739,435.50 × 5,101,940.38
  4. Step 4: Simplify right side
    9,231,958.66x = 64,995,840,395,855.49
  5. Step 5: Solve for x
    x = 64,995,840,395,855.49/9,231,958.66
  6. Step 6: Final answer
    x = 7,040,308.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.