Home / 11,871,997.40-17,802,099.30-3,783,920.60

Finding the Fourth Proportional to 11,871,997.40, 17,802,099.30 and 3,783,920.60

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Solution

The fourth proportional to 11,871,997.40, 17,802,099.30 and 3,783,920.60 is: 5,674,001.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,871,997.40 : 17,802,099.30 = 3,783,920.60 : x
  2. Step 2: Convert to fraction form
    11,871,997.40/17,802,099.30 = 3,783,920.60/x
  3. Step 3: Cross multiply
    11,871,997.40x = 17,802,099.30 × 3,783,920.60
  4. Step 4: Simplify right side
    11,871,997.40x = 67,361,730,264,515.59
  5. Step 5: Solve for x
    x = 67,361,730,264,515.59/11,871,997.40
  6. Step 6: Final answer
    x = 5,674,001.43

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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.