Home / 15,219,400.92-21,002,724.36-8,250,105.60

Finding the Fourth Proportional to 15,219,400.92, 21,002,724.36 and 8,250,105.60

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Solution

The fourth proportional to 15,219,400.92, 21,002,724.36 and 8,250,105.60 is: 11,385,119.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,219,400.92 : 21,002,724.36 = 8,250,105.60 : x
  2. Step 2: Convert to fraction form
    15,219,400.92/21,002,724.36 = 8,250,105.60/x
  3. Step 3: Cross multiply
    15,219,400.92x = 21,002,724.36 × 8,250,105.60
  4. Step 4: Simplify right side
    15,219,400.92x = 173,274,693,857,692.41
  5. Step 5: Solve for x
    x = 173,274,693,857,692.41/15,219,400.92
  6. Step 6: Final answer
    x = 11,385,119.22

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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.