Home / 8,635,979.57-12,958,452.60-3,522,161.21

Finding the Fourth Proportional to 8,635,979.57, 12,958,452.60 and 3,522,161.21

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Solution

The fourth proportional to 8,635,979.57, 12,958,452.60 and 3,522,161.21 is: 5,285,070.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635,979.57 : 12,958,452.60 = 3,522,161.21 : x
  2. Step 2: Convert to fraction form
    8,635,979.57/12,958,452.60 = 3,522,161.21/x
  3. Step 3: Cross multiply
    8,635,979.57x = 12,958,452.60 × 3,522,161.21
  4. Step 4: Simplify right side
    8,635,979.57x = 45,641,759,148,910.06
  5. Step 5: Solve for x
    x = 45,641,759,148,910.06/8,635,979.57
  6. Step 6: Final answer
    x = 5,285,070.30

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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.