Home / 11,008,354.40-16,479,872.40-8,181,000.80

Finding the Fourth Proportional to 11,008,354.40, 16,479,872.40 and 8,181,000.80

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Solution

The fourth proportional to 11,008,354.40, 16,479,872.40 and 8,181,000.80 is: 12,247,230.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008,354.40 : 16,479,872.40 = 8,181,000.80 : x
  2. Step 2: Convert to fraction form
    11,008,354.40/16,479,872.40 = 8,181,000.80/x
  3. Step 3: Cross multiply
    11,008,354.40x = 16,479,872.40 × 8,181,000.80
  4. Step 4: Simplify right side
    11,008,354.40x = 134,821,849,288,297.92
  5. Step 5: Solve for x
    x = 134,821,849,288,297.92/11,008,354.40
  6. Step 6: Final answer
    x = 12,247,230.09

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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.