Home / 13,622,704.20-20,410,932.83-8,220,002.18

Finding the Fourth Proportional to 13,622,704.20, 20,410,932.83 and 8,220,002.18

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Solution

The fourth proportional to 13,622,704.20, 20,410,932.83 and 8,220,002.18 is: 12,316,050.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622,704.20 : 20,410,932.83 = 8,220,002.18 : x
  2. Step 2: Convert to fraction form
    13,622,704.20/20,410,932.83 = 8,220,002.18/x
  3. Step 3: Cross multiply
    13,622,704.20x = 20,410,932.83 × 8,220,002.18
  4. Step 4: Simplify right side
    13,622,704.20x = 167,777,912,215,278.88
  5. Step 5: Solve for x
    x = 167,777,912,215,278.88/13,622,704.20
  6. Step 6: Final answer
    x = 12,316,050.45

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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.