Home / 12,117,065.10-18,144,104.85-9,576,645.90

Finding the Fourth Proportional to 12,117,065.10, 18,144,104.85 and 9,576,645.90

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Solution

The fourth proportional to 12,117,065.10, 18,144,104.85 and 9,576,645.90 is: 14,340,078.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117,065.10 : 18,144,104.85 = 9,576,645.90 : x
  2. Step 2: Convert to fraction form
    12,117,065.10/18,144,104.85 = 9,576,645.90/x
  3. Step 3: Cross multiply
    12,117,065.10x = 18,144,104.85 × 9,576,645.90
  4. Step 4: Simplify right side
    12,117,065.10x = 173,759,667,320,922.62
  5. Step 5: Solve for x
    x = 173,759,667,320,922.62/12,117,065.10
  6. Step 6: Final answer
    x = 14,340,078.71

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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.