Home / 11,973,375.20-17,960,062.80-3,453,989.60

Finding the Fourth Proportional to 11,973,375.20, 17,960,062.80 and 3,453,989.60

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Solution

The fourth proportional to 11,973,375.20, 17,960,062.80 and 3,453,989.60 is: 5,180,984.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,973,375.20 : 17,960,062.80 = 3,453,989.60 : x
  2. Step 2: Convert to fraction form
    11,973,375.20/17,960,062.80 = 3,453,989.60/x
  3. Step 3: Cross multiply
    11,973,375.20x = 17,960,062.80 × 3,453,989.60
  4. Step 4: Simplify right side
    11,973,375.20x = 62,033,870,126,546.88
  5. Step 5: Solve for x
    x = 62,033,870,126,546.88/11,973,375.20
  6. Step 6: Final answer
    x = 5,180,984.40

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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.