Home / 20,978,464.66-28,952,063.49-11,812,893.46

Finding the Fourth Proportional to 20,978,464.66, 28,952,063.49 and 11,812,893.46

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Solution

The fourth proportional to 20,978,464.66, 28,952,063.49 and 11,812,893.46 is: 16,302,796.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,978,464.66 : 28,952,063.49 = 11,812,893.46 : x
  2. Step 2: Convert to fraction form
    20,978,464.66/28,952,063.49 = 11,812,893.46/x
  3. Step 3: Cross multiply
    20,978,464.66x = 28,952,063.49 × 11,812,893.46
  4. Step 4: Simplify right side
    20,978,464.66x = 342,007,641,454,525.81
  5. Step 5: Solve for x
    x = 342,007,641,454,525.81/20,978,464.66
  6. Step 6: Final answer
    x = 16,302,796.56

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Why These Related Problems?

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