Home / 12,984,028.80-19,476,043.20-3,399,388.80

Finding the Fourth Proportional to 12,984,028.80, 19,476,043.20 and 3,399,388.80

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Solution

The fourth proportional to 12,984,028.80, 19,476,043.20 and 3,399,388.80 is: 5,099,083.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,984,028.80 : 19,476,043.20 = 3,399,388.80 : x
  2. Step 2: Convert to fraction form
    12,984,028.80/19,476,043.20 = 3,399,388.80/x
  3. Step 3: Cross multiply
    12,984,028.80x = 19,476,043.20 × 3,399,388.80
  4. Step 4: Simplify right side
    12,984,028.80x = 66,206,643,122,396.16
  5. Step 5: Solve for x
    x = 66,206,643,122,396.16/12,984,028.80
  6. Step 6: Final answer
    x = 5,099,083.20

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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.