Home / 13,741,031.20-20,611,546.80-7,694,413.60

Finding the Fourth Proportional to 13,741,031.20, 20,611,546.80 and 7,694,413.60

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Solution

The fourth proportional to 13,741,031.20, 20,611,546.80 and 7,694,413.60 is: 11,541,620.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741,031.20 : 20,611,546.80 = 7,694,413.60 : x
  2. Step 2: Convert to fraction form
    13,741,031.20/20,611,546.80 = 7,694,413.60/x
  3. Step 3: Cross multiply
    13,741,031.20x = 20,611,546.80 × 7,694,413.60
  4. Step 4: Simplify right side
    13,741,031.20x = 158,593,766,014,956.47
  5. Step 5: Solve for x
    x = 158,593,766,014,956.47/13,741,031.20
  6. Step 6: Final answer
    x = 11,541,620.40

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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.