Home / 11,682,004.80-17,512,509.60-7,419,979.20

Finding the Fourth Proportional to 11,682,004.80, 17,512,509.60 and 7,419,979.20

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Solution

The fourth proportional to 11,682,004.80, 17,512,509.60 and 7,419,979.20 is: 11,123,301.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,682,004.80 : 17,512,509.60 = 7,419,979.20 : x
  2. Step 2: Convert to fraction form
    11,682,004.80/17,512,509.60 = 7,419,979.20/x
  3. Step 3: Cross multiply
    11,682,004.80x = 17,512,509.60 × 7,419,979.20
  4. Step 4: Simplify right side
    11,682,004.80x = 129,942,456,971,800.33
  5. Step 5: Solve for x
    x = 129,942,456,971,800.33/11,682,004.80
  6. Step 6: Final answer
    x = 11,123,301.11

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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.