Home / 12,309,945.44-16,987,781.25-6,728,306.94

Finding the Fourth Proportional to 12,309,945.44, 16,987,781.25 and 6,728,306.94

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Solution

The fourth proportional to 12,309,945.44, 16,987,781.25 and 6,728,306.94 is: 9,285,094.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,309,945.44 : 16,987,781.25 = 6,728,306.94 : x
  2. Step 2: Convert to fraction form
    12,309,945.44/16,987,781.25 = 6,728,306.94/x
  3. Step 3: Cross multiply
    12,309,945.44x = 16,987,781.25 × 6,728,306.94
  4. Step 4: Simplify right side
    12,309,945.44x = 114,299,006,479,576.88
  5. Step 5: Solve for x
    x = 114,299,006,479,576.88/12,309,945.44
  6. Step 6: Final answer
    x = 9,285,094.49

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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.