Home / 13,558,120.20-20,410,478.98-12,351,451.86

Finding the Fourth Proportional to 13,558,120.20, 20,410,478.98 and 12,351,451.86

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Solution

The fourth proportional to 13,558,120.20, 20,410,478.98 and 12,351,451.86 is: 18,593,952.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558,120.20 : 20,410,478.98 = 12,351,451.86 : x
  2. Step 2: Convert to fraction form
    13,558,120.20/20,410,478.98 = 12,351,451.86/x
  3. Step 3: Cross multiply
    13,558,120.20x = 20,410,478.98 × 12,351,451.86
  4. Step 4: Simplify right side
    13,558,120.20x = 252,099,048,530,133.25
  5. Step 5: Solve for x
    x = 252,099,048,530,133.25/13,558,120.20
  6. Step 6: Final answer
    x = 18,593,952.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.