Home / 13,978,724.07-20,959,523.31-5,449,095.75

Finding the Fourth Proportional to 13,978,724.07, 20,959,523.31 and 5,449,095.75

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Solution

The fourth proportional to 13,978,724.07, 20,959,523.31 and 5,449,095.75 is: 8,170,305.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,978,724.07 : 20,959,523.31 = 5,449,095.75 : x
  2. Step 2: Convert to fraction form
    13,978,724.07/20,959,523.31 = 5,449,095.75/x
  3. Step 3: Cross multiply
    13,978,724.07x = 20,959,523.31 × 5,449,095.75
  4. Step 4: Simplify right side
    13,978,724.07x = 114,210,449,390,546.92
  5. Step 5: Solve for x
    x = 114,210,449,390,546.92/13,978,724.07
  6. Step 6: Final answer
    x = 8,170,305.73

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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.