Home / 8,766,421.20-13,140,300.60-3,372,987.60

Finding the Fourth Proportional to 8,766,421.20, 13,140,300.60 and 3,372,987.60

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Solution

The fourth proportional to 8,766,421.20, 13,140,300.60 and 3,372,987.60 is: 5,055,891.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766,421.20 : 13,140,300.60 = 3,372,987.60 : x
  2. Step 2: Convert to fraction form
    8,766,421.20/13,140,300.60 = 3,372,987.60/x
  3. Step 3: Cross multiply
    8,766,421.20x = 13,140,300.60 × 3,372,987.60
  4. Step 4: Simplify right side
    8,766,421.20x = 44,322,070,984,072.56
  5. Step 5: Solve for x
    x = 44,322,070,984,072.56/8,766,421.20
  6. Step 6: Final answer
    x = 5,055,891.11

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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.