Home / 20,499,717.20-30,733,829.40-11,524,269.20

Finding the Fourth Proportional to 20,499,717.20, 30,733,829.40 and 11,524,269.20

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Solution

The fourth proportional to 20,499,717.20, 30,733,829.40 and 11,524,269.20 is: 17,277,551.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,499,717.20 : 30,733,829.40 = 11,524,269.20 : x
  2. Step 2: Convert to fraction form
    20,499,717.20/30,733,829.40 = 11,524,269.20/x
  3. Step 3: Cross multiply
    20,499,717.20x = 30,733,829.40 × 11,524,269.20
  4. Step 4: Simplify right side
    20,499,717.20x = 354,184,923,552,474.44
  5. Step 5: Solve for x
    x = 354,184,923,552,474.44/20,499,717.20
  6. Step 6: Final answer
    x = 17,277,551.69

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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.