Home / 21,555,072,620.20-32,332,608,930.30-12,267,467,986.60

Finding the Fourth Proportional to 21,555,072,620.20, 32,332,608,930.30 and 12,267,467,986.60

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Solution

The fourth proportional to 21,555,072,620.20, 32,332,608,930.30 and 12,267,467,986.60 is: 18,401,201,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,555,072,620.20 : 32,332,608,930.30 = 12,267,467,986.60 : x
  2. Step 2: Convert to fraction form
    21,555,072,620.20/32,332,608,930.30 = 12,267,467,986.60/x
  3. Step 3: Cross multiply
    21,555,072,620.20x = 32,332,608,930.30 × 12,267,467,986.60
  4. Step 4: Simplify right side
    21,555,072,620.20x = 396,639,244,975,712,501,760
  5. Step 5: Solve for x
    x = 396,639,244,975,712,501,760/21,555,072,620.20
  6. Step 6: Final answer
    x = 18,401,201,979.90

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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.