Home / 12,629,519.35-17,427,435.21-9,323,571.90

Finding the Fourth Proportional to 12,629,519.35, 17,427,435.21 and 9,323,571.90

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Solution

The fourth proportional to 12,629,519.35, 17,427,435.21 and 9,323,571.90 is: 12,865,568.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,629,519.35 : 17,427,435.21 = 9,323,571.90 : x
  2. Step 2: Convert to fraction form
    12,629,519.35/17,427,435.21 = 9,323,571.90/x
  3. Step 3: Cross multiply
    12,629,519.35x = 17,427,435.21 × 9,323,571.90
  4. Step 4: Simplify right side
    12,629,519.35x = 162,485,945,213,026.62
  5. Step 5: Solve for x
    x = 162,485,945,213,026.62/12,629,519.35
  6. Step 6: Final answer
    x = 12,865,568.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.