Home / 13,305,249.90-18,361,229.31-7,193,663.82

Finding the Fourth Proportional to 13,305,249.90, 18,361,229.31 and 7,193,663.82

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Solution

The fourth proportional to 13,305,249.90, 18,361,229.31 and 7,193,663.82 is: 9,927,247.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,249.90 : 18,361,229.31 = 7,193,663.82 : x
  2. Step 2: Convert to fraction form
    13,305,249.90/18,361,229.31 = 7,193,663.82/x
  3. Step 3: Cross multiply
    13,305,249.90x = 18,361,229.31 × 7,193,663.82
  4. Step 4: Simplify right side
    13,305,249.90x = 132,084,510,978,070.56
  5. Step 5: Solve for x
    x = 132,084,510,978,070.56/13,305,249.90
  6. Step 6: Final answer
    x = 9,927,247.66

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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.