Home / 12,039,944.72-16,608,175.11-7,684,121.42

Finding the Fourth Proportional to 12,039,944.72, 16,608,175.11 and 7,684,121.42

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Solution

The fourth proportional to 12,039,944.72, 16,608,175.11 and 7,684,121.42 is: 10,599,652.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039,944.72 : 16,608,175.11 = 7,684,121.42 : x
  2. Step 2: Convert to fraction form
    12,039,944.72/16,608,175.11 = 7,684,121.42/x
  3. Step 3: Cross multiply
    12,039,944.72x = 16,608,175.11 × 7,684,121.42
  4. Step 4: Simplify right side
    12,039,944.72x = 127,619,234,089,101.64
  5. Step 5: Solve for x
    x = 127,619,234,089,101.64/12,039,944.72
  6. Step 6: Final answer
    x = 10,599,652.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.