Home / 12,984,382.80-17,915,229-8,395,182

Finding the Fourth Proportional to 12,984,382.80, 17,915,229 and 8,395,182

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Solution

The fourth proportional to 12,984,382.80, 17,915,229 and 8,395,182 is: 11,583,269.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,984,382.80 : 17,915,229 = 8,395,182 : x
  2. Step 2: Convert to fraction form
    12,984,382.80/17,915,229 = 8,395,182/x
  3. Step 3: Cross multiply
    12,984,382.80x = 17,915,229 × 8,395,182
  4. Step 4: Simplify right side
    12,984,382.80x = 150,401,608,026,678
  5. Step 5: Solve for x
    x = 150,401,608,026,678/12,984,382.80
  6. Step 6: Final answer
    x = 11,583,269.71

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1.5x scale

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.