Home / 13,691,147.97-18,893,066.29-7,495,007.61

Finding the Fourth Proportional to 13,691,147.97, 18,893,066.29 and 7,495,007.61

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Solution

The fourth proportional to 13,691,147.97, 18,893,066.29 and 7,495,007.61 is: 10,342,717.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,691,147.97 : 18,893,066.29 = 7,495,007.61 : x
  2. Step 2: Convert to fraction form
    13,691,147.97/18,893,066.29 = 7,495,007.61/x
  3. Step 3: Cross multiply
    13,691,147.97x = 18,893,066.29 × 7,495,007.61
  4. Step 4: Simplify right side
    13,691,147.97x = 141,603,675,601,046.97
  5. Step 5: Solve for x
    x = 141,603,675,601,046.97/13,691,147.97
  6. Step 6: Final answer
    x = 10,342,717.49

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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.