Home / 12,660,010.21-18,967,183.02-7,793,847.73

Finding the Fourth Proportional to 12,660,010.21, 18,967,183.02 and 7,793,847.73

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Solution

The fourth proportional to 12,660,010.21, 18,967,183.02 and 7,793,847.73 is: 11,676,715.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,660,010.21 : 18,967,183.02 = 7,793,847.73 : x
  2. Step 2: Convert to fraction form
    12,660,010.21/18,967,183.02 = 7,793,847.73/x
  3. Step 3: Cross multiply
    12,660,010.21x = 18,967,183.02 × 7,793,847.73
  4. Step 4: Simplify right side
    12,660,010.21x = 147,827,336,324,921.56
  5. Step 5: Solve for x
    x = 147,827,336,324,921.56/12,660,010.21
  6. Step 6: Final answer
    x = 11,676,715.41

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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.