Home / 12,238,964.51-18,339,949.98-8,188,200.86

Finding the Fourth Proportional to 12,238,964.51, 18,339,949.98 and 8,188,200.86

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Solution

The fourth proportional to 12,238,964.51, 18,339,949.98 and 8,188,200.86 is: 12,269,926.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238,964.51 : 18,339,949.98 = 8,188,200.86 : x
  2. Step 2: Convert to fraction form
    12,238,964.51/18,339,949.98 = 8,188,200.86/x
  3. Step 3: Cross multiply
    12,238,964.51x = 18,339,949.98 × 8,188,200.86
  4. Step 4: Simplify right side
    12,238,964.51x = 150,171,194,106,893.25
  5. Step 5: Solve for x
    x = 150,171,194,106,893.25/12,238,964.51
  6. Step 6: Final answer
    x = 12,269,926.43

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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.