Home / 11,971,939.28-17,960,562.36-3,451,610.80

Finding the Fourth Proportional to 11,971,939.28, 17,960,562.36 and 3,451,610.80

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Solution

The fourth proportional to 11,971,939.28, 17,960,562.36 and 3,451,610.80 is: 5,178,181.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971,939.28 : 17,960,562.36 = 3,451,610.80 : x
  2. Step 2: Convert to fraction form
    11,971,939.28/17,960,562.36 = 3,451,610.80/x
  3. Step 3: Cross multiply
    11,971,939.28x = 17,960,562.36 × 3,451,610.80
  4. Step 4: Simplify right side
    11,971,939.28x = 61,992,871,015,849.48
  5. Step 5: Solve for x
    x = 61,992,871,015,849.48/11,971,939.28
  6. Step 6: Final answer
    x = 5,178,181.21

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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.