Home / 12,640,791.52-17,444,786.34-7,134,356.85

Finding the Fourth Proportional to 12,640,791.52, 17,444,786.34 and 7,134,356.85

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Solution

The fourth proportional to 12,640,791.52, 17,444,786.34 and 7,134,356.85 is: 9,845,691.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,640,791.52 : 17,444,786.34 = 7,134,356.85 : x
  2. Step 2: Convert to fraction form
    12,640,791.52/17,444,786.34 = 7,134,356.85/x
  3. Step 3: Cross multiply
    12,640,791.52x = 17,444,786.34 × 7,134,356.85
  4. Step 4: Simplify right side
    12,640,791.52x = 124,457,330,921,565.42
  5. Step 5: Solve for x
    x = 124,457,330,921,565.42/12,640,791.52
  6. Step 6: Final answer
    x = 9,845,691.29

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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.