Home / 12,115,372.64-16,719,321.02-6,608,771.96

Finding the Fourth Proportional to 12,115,372.64, 16,719,321.02 and 6,608,771.96

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Solution

The fourth proportional to 12,115,372.64, 16,719,321.02 and 6,608,771.96 is: 9,120,163.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,115,372.64 : 16,719,321.02 = 6,608,771.96 : x
  2. Step 2: Convert to fraction form
    12,115,372.64/16,719,321.02 = 6,608,771.96/x
  3. Step 3: Cross multiply
    12,115,372.64x = 16,719,321.02 × 6,608,771.96
  4. Step 4: Simplify right side
    12,115,372.64x = 110,494,179,830,574.14
  5. Step 5: Solve for x
    x = 110,494,179,830,574.14/12,115,372.64
  6. Step 6: Final answer
    x = 9,120,163.54

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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.