Home / 12,096,939.10-18,145,408.65-7,617,963.10

Finding the Fourth Proportional to 12,096,939.10, 18,145,408.65 and 7,617,963.10

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Solution

The fourth proportional to 12,096,939.10, 18,145,408.65 and 7,617,963.10 is: 11,426,944.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,939.10 : 18,145,408.65 = 7,617,963.10 : x
  2. Step 2: Convert to fraction form
    12,096,939.10/18,145,408.65 = 7,617,963.10/x
  3. Step 3: Cross multiply
    12,096,939.10x = 18,145,408.65 × 7,617,963.10
  4. Step 4: Simplify right side
    12,096,939.10x = 138,231,053,530,120.80
  5. Step 5: Solve for x
    x = 138,231,053,530,120.80/12,096,939.10
  6. Step 6: Final answer
    x = 11,426,944.65

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Similar ratio
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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.