Home / 6,986,351.20-10,458,531.60-4,145,000.80

Finding the Fourth Proportional to 6,986,351.20, 10,458,531.60 and 4,145,000.80

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Solution

The fourth proportional to 6,986,351.20, 10,458,531.60 and 4,145,000.80 is: 6,205,044.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986,351.20 : 10,458,531.60 = 4,145,000.80 : x
  2. Step 2: Convert to fraction form
    6,986,351.20/10,458,531.60 = 4,145,000.80/x
  3. Step 3: Cross multiply
    6,986,351.20x = 10,458,531.60 × 4,145,000.80
  4. Step 4: Simplify right side
    6,986,351.20x = 43,350,621,848,825.27
  5. Step 5: Solve for x
    x = 43,350,621,848,825.27/6,986,351.20
  6. Step 6: Final answer
    x = 6,205,044.75

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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.