Home / 12,974,129.97-17,904,673.11-7,173,286.21

Finding the Fourth Proportional to 12,974,129.97, 17,904,673.11 and 7,173,286.21

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Solution

The fourth proportional to 12,974,129.97, 17,904,673.11 and 7,173,286.21 is: 9,899,341.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974,129.97 : 17,904,673.11 = 7,173,286.21 : x
  2. Step 2: Convert to fraction form
    12,974,129.97/17,904,673.11 = 7,173,286.21/x
  3. Step 3: Cross multiply
    12,974,129.97x = 17,904,673.11 × 7,173,286.21
  4. Step 4: Simplify right side
    12,974,129.97x = 128,435,344,714,520.81
  5. Step 5: Solve for x
    x = 128,435,344,714,520.81/12,974,129.97
  6. Step 6: Final answer
    x = 9,899,341.61

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