Home / 12,431,131.76-17,164,691.16-9,722,595.44

Finding the Fourth Proportional to 12,431,131.76, 17,164,691.16 and 9,722,595.44

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Solution

The fourth proportional to 12,431,131.76, 17,164,691.16 and 9,722,595.44 is: 13,424,791.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,431,131.76 : 17,164,691.16 = 9,722,595.44 : x
  2. Step 2: Convert to fraction form
    12,431,131.76/17,164,691.16 = 9,722,595.44/x
  3. Step 3: Cross multiply
    12,431,131.76x = 17,164,691.16 × 9,722,595.44
  4. Step 4: Simplify right side
    12,431,131.76x = 166,885,348,001,224.31
  5. Step 5: Solve for x
    x = 166,885,348,001,224.31/12,431,131.76
  6. Step 6: Final answer
    x = 13,424,791.18

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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.