Home / 8,635,979.89-12,958,453.07-3,522,161.53

Finding the Fourth Proportional to 8,635,979.89, 12,958,453.07 and 3,522,161.53

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Solution

The fourth proportional to 8,635,979.89, 12,958,453.07 and 3,522,161.53 is: 5,285,070.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635,979.89 : 12,958,453.07 = 3,522,161.53 : x
  2. Step 2: Convert to fraction form
    8,635,979.89/12,958,453.07 = 3,522,161.53/x
  3. Step 3: Cross multiply
    8,635,979.89x = 12,958,453.07 × 3,522,161.53
  4. Step 4: Simplify right side
    8,635,979.89x = 45,641,764,920,693.07
  5. Step 5: Solve for x
    x = 45,641,764,920,693.07/8,635,979.89
  6. Step 6: Final answer
    x = 5,285,070.77

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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.