Home / 15,186,321.64-20,958,433.05-8,660,226.16

Finding the Fourth Proportional to 15,186,321.64, 20,958,433.05 and 8,660,226.16

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Solution

The fourth proportional to 15,186,321.64, 20,958,433.05 and 8,660,226.16 is: 11,951,858.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,186,321.64 : 20,958,433.05 = 8,660,226.16 : x
  2. Step 2: Convert to fraction form
    15,186,321.64/20,958,433.05 = 8,660,226.16/x
  3. Step 3: Cross multiply
    15,186,321.64x = 20,958,433.05 × 8,660,226.16
  4. Step 4: Simplify right side
    15,186,321.64x = 181,504,770,172,218.59
  5. Step 5: Solve for x
    x = 181,504,770,172,218.59/15,186,321.64
  6. Step 6: Final answer
    x = 11,951,858.68

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