Home / 13,741,405.80-20,612,108.70-7,694,788.20

Finding the Fourth Proportional to 13,741,405.80, 20,612,108.70 and 7,694,788.20

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Solution

The fourth proportional to 13,741,405.80, 20,612,108.70 and 7,694,788.20 is: 11,542,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741,405.80 : 20,612,108.70 = 7,694,788.20 : x
  2. Step 2: Convert to fraction form
    13,741,405.80/20,612,108.70 = 7,694,788.20/x
  3. Step 3: Cross multiply
    13,741,405.80x = 20,612,108.70 × 7,694,788.20
  4. Step 4: Simplify right side
    13,741,405.80x = 158,605,810,801,877.34
  5. Step 5: Solve for x
    x = 158,605,810,801,877.34/13,741,405.80
  6. Step 6: Final answer
    x = 11,542,182.30

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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.