Home / 12,097,100.70-18,145,651.05-8,265,087.90

Finding the Fourth Proportional to 12,097,100.70, 18,145,651.05 and 8,265,087.90

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Solution

The fourth proportional to 12,097,100.70, 18,145,651.05 and 8,265,087.90 is: 12,397,631.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,100.70 : 18,145,651.05 = 8,265,087.90 : x
  2. Step 2: Convert to fraction form
    12,097,100.70/18,145,651.05 = 8,265,087.90/x
  3. Step 3: Cross multiply
    12,097,100.70x = 18,145,651.05 × 8,265,087.90
  4. Step 4: Simplify right side
    12,097,100.70x = 149,975,400,930,977.31
  5. Step 5: Solve for x
    x = 149,975,400,930,977.31/12,097,100.70
  6. Step 6: Final answer
    x = 12,397,631.85

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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.