Home / 8,266,186.62-12,399,406.26-3,148,900.62

Finding the Fourth Proportional to 8,266,186.62, 12,399,406.26 and 3,148,900.62

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Solution

The fourth proportional to 8,266,186.62, 12,399,406.26 and 3,148,900.62 is: 4,723,399.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266,186.62 : 12,399,406.26 = 3,148,900.62 : x
  2. Step 2: Convert to fraction form
    8,266,186.62/12,399,406.26 = 3,148,900.62/x
  3. Step 3: Cross multiply
    8,266,186.62x = 12,399,406.26 × 3,148,900.62
  4. Step 4: Simplify right side
    8,266,186.62x = 39,044,498,059,745.88
  5. Step 5: Solve for x
    x = 39,044,498,059,745.88/8,266,186.62
  6. Step 6: Final answer
    x = 4,723,399.05

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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.