Home / 13,998,480.30-20,997,720.45-3,901,101.30

Finding the Fourth Proportional to 13,998,480.30, 20,997,720.45 and 3,901,101.30

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Solution

The fourth proportional to 13,998,480.30, 20,997,720.45 and 3,901,101.30 is: 5,851,651.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998,480.30 : 20,997,720.45 = 3,901,101.30 : x
  2. Step 2: Convert to fraction form
    13,998,480.30/20,997,720.45 = 3,901,101.30/x
  3. Step 3: Cross multiply
    13,998,480.30x = 20,997,720.45 × 3,901,101.30
  4. Step 4: Simplify right side
    13,998,480.30x = 81,914,234,544,531.58
  5. Step 5: Solve for x
    x = 81,914,234,544,531.58/13,998,480.30
  6. Step 6: Final answer
    x = 5,851,651.95

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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.