Home / 12,212,710.24-18,306,169.89-9,327,794.47

Finding the Fourth Proportional to 12,212,710.24, 18,306,169.89 and 9,327,794.47

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Solution

The fourth proportional to 12,212,710.24, 18,306,169.89 and 9,327,794.47 is: 13,981,842.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,212,710.24 : 18,306,169.89 = 9,327,794.47 : x
  2. Step 2: Convert to fraction form
    12,212,710.24/18,306,169.89 = 9,327,794.47/x
  3. Step 3: Cross multiply
    12,212,710.24x = 18,306,169.89 × 9,327,794.47
  4. Step 4: Simplify right side
    12,212,710.24x = 170,756,190,266,822.53
  5. Step 5: Solve for x
    x = 170,756,190,266,822.53/12,212,710.24
  6. Step 6: Final answer
    x = 13,981,842.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.