Home / 10,728,028.40-16,085,821.80-3,997,122.80

Finding the Fourth Proportional to 10,728,028.40, 16,085,821.80 and 3,997,122.80

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Solution

The fourth proportional to 10,728,028.40, 16,085,821.80 and 3,997,122.80 is: 5,993,366.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728,028.40 : 16,085,821.80 = 3,997,122.80 : x
  2. Step 2: Convert to fraction form
    10,728,028.40/16,085,821.80 = 3,997,122.80/x
  3. Step 3: Cross multiply
    10,728,028.40x = 16,085,821.80 × 3,997,122.80
  4. Step 4: Simplify right side
    10,728,028.40x = 64,297,005,073,517.04
  5. Step 5: Solve for x
    x = 64,297,005,073,517.04/10,728,028.40
  6. Step 6: Final answer
    x = 5,993,366.41

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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.