Home / 12,212,709.24-18,306,168.39-9,327,793.47

Finding the Fourth Proportional to 12,212,709.24, 18,306,168.39 and 9,327,793.47

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Solution

The fourth proportional to 12,212,709.24, 18,306,168.39 and 9,327,793.47 is: 13,981,840.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,212,709.24 : 18,306,168.39 = 9,327,793.47 : x
  2. Step 2: Convert to fraction form
    12,212,709.24/18,306,168.39 = 9,327,793.47/x
  3. Step 3: Cross multiply
    12,212,709.24x = 18,306,168.39 × 9,327,793.47
  4. Step 4: Simplify right side
    12,212,709.24x = 170,756,157,968,962.44
  5. Step 5: Solve for x
    x = 170,756,157,968,962.44/12,212,709.24
  6. Step 6: Final answer
    x = 13,981,840.93

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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.