Home / 12,809,797.60-19,215,063.40-5,028,388.04

Finding the Fourth Proportional to 12,809,797.60, 19,215,063.40 and 5,028,388.04

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Solution

The fourth proportional to 12,809,797.60, 19,215,063.40 and 5,028,388.04 is: 7,542,726.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,809,797.60 : 19,215,063.40 = 5,028,388.04 : x
  2. Step 2: Convert to fraction form
    12,809,797.60/19,215,063.40 = 5,028,388.04/x
  3. Step 3: Cross multiply
    12,809,797.60x = 19,215,063.40 × 5,028,388.04
  4. Step 4: Simplify right side
    12,809,797.60x = 96,620,794,965,109.44
  5. Step 5: Solve for x
    x = 96,620,794,965,109.44/12,809,797.60
  6. Step 6: Final answer
    x = 7,542,726.12

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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.