Home / 20,285,286.30-30,429,335.97-8,154,754.56

Finding the Fourth Proportional to 20,285,286.30, 30,429,335.97 and 8,154,754.56

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Solution

The fourth proportional to 20,285,286.30, 30,429,335.97 and 8,154,754.56 is: 12,232,697.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,285,286.30 : 30,429,335.97 = 8,154,754.56 : x
  2. Step 2: Convert to fraction form
    20,285,286.30/30,429,335.97 = 8,154,754.56/x
  3. Step 3: Cross multiply
    20,285,286.30x = 30,429,335.97 × 8,154,754.56
  4. Step 4: Simplify right side
    20,285,286.30x = 248,143,766,259,129.50
  5. Step 5: Solve for x
    x = 248,143,766,259,129.50/20,285,286.30
  6. Step 6: Final answer
    x = 12,232,697.27

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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.