Home / 13,555,099.80-20,332,520.10-3,320,004.60

Finding the Fourth Proportional to 13,555,099.80, 20,332,520.10 and 3,320,004.60

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Solution

The fourth proportional to 13,555,099.80, 20,332,520.10 and 3,320,004.60 is: 4,979,975.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555,099.80 : 20,332,520.10 = 3,320,004.60 : x
  2. Step 2: Convert to fraction form
    13,555,099.80/20,332,520.10 = 3,320,004.60/x
  3. Step 3: Cross multiply
    13,555,099.80x = 20,332,520.10 × 3,320,004.60
  4. Step 4: Simplify right side
    13,555,099.80x = 67,504,060,261,592.47
  5. Step 5: Solve for x
    x = 67,504,060,261,592.47/13,555,099.80
  6. Step 6: Final answer
    x = 4,979,975.16

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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.