Home / 12,903,396.50-17,797,621.39-8,491,716.55

Finding the Fourth Proportional to 12,903,396.50, 17,797,621.39 and 8,491,716.55

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Solution

The fourth proportional to 12,903,396.50, 17,797,621.39 and 8,491,716.55 is: 11,712,602.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,903,396.50 : 17,797,621.39 = 8,491,716.55 : x
  2. Step 2: Convert to fraction form
    12,903,396.50/17,797,621.39 = 8,491,716.55/x
  3. Step 3: Cross multiply
    12,903,396.50x = 17,797,621.39 × 8,491,716.55
  4. Step 4: Simplify right side
    12,903,396.50x = 151,132,355,976,650.31
  5. Step 5: Solve for x
    x = 151,132,355,976,650.31/12,903,396.50
  6. Step 6: Final answer
    x = 11,712,602.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.