Home / 8,499,481.72-11,728,942.48-4,631,919.84

Finding the Fourth Proportional to 8,499,481.72, 11,728,942.48 and 4,631,919.84

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Solution

The fourth proportional to 8,499,481.72, 11,728,942.48 and 4,631,919.84 is: 6,391,862.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499,481.72 : 11,728,942.48 = 4,631,919.84 : x
  2. Step 2: Convert to fraction form
    8,499,481.72/11,728,942.48 = 4,631,919.84/x
  3. Step 3: Cross multiply
    8,499,481.72x = 11,728,942.48 × 4,631,919.84
  4. Step 4: Simplify right side
    8,499,481.72x = 54,327,521,375,330.80
  5. Step 5: Solve for x
    x = 54,327,521,375,330.80/8,499,481.72
  6. Step 6: Final answer
    x = 6,391,862.84

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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.