Home / 12,096,942.80-18,145,414.20-9,110,958.80

Finding the Fourth Proportional to 12,096,942.80, 18,145,414.20 and 9,110,958.80

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Solution

The fourth proportional to 12,096,942.80, 18,145,414.20 and 9,110,958.80 is: 13,666,438.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,942.80 : 18,145,414.20 = 9,110,958.80 : x
  2. Step 2: Convert to fraction form
    12,096,942.80/18,145,414.20 = 9,110,958.80/x
  3. Step 3: Cross multiply
    12,096,942.80x = 18,145,414.20 × 9,110,958.80
  4. Step 4: Simplify right side
    12,096,942.80x = 165,322,121,185,134.97
  5. Step 5: Solve for x
    x = 165,322,121,185,134.97/12,096,942.80
  6. Step 6: Final answer
    x = 13,666,438.20

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1.5x scale

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.