Home / 12,405,589.50-18,608,388.33-5,118,942.90

Finding the Fourth Proportional to 12,405,589.50, 18,608,388.33 and 5,118,942.90

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Solution

The fourth proportional to 12,405,589.50, 18,608,388.33 and 5,118,942.90 is: 7,678,416.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,405,589.50 : 18,608,388.33 = 5,118,942.90 : x
  2. Step 2: Convert to fraction form
    12,405,589.50/18,608,388.33 = 5,118,942.90/x
  3. Step 3: Cross multiply
    12,405,589.50x = 18,608,388.33 × 5,118,942.90
  4. Step 4: Simplify right side
    12,405,589.50x = 95,255,277,322,296.36
  5. Step 5: Solve for x
    x = 95,255,277,322,296.36/12,405,589.50
  6. Step 6: Final answer
    x = 7,678,416.03

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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.