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Finding the Fourth Proportional to 7,978,203.40, 11,949,590.40 and 6,561,027.40

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Solution

The fourth proportional to 7,978,203.40, 11,949,590.40 and 6,561,027.40 is: 9,826,973.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,978,203.40 : 11,949,590.40 = 6,561,027.40 : x
  2. Step 2: Convert to fraction form
    7,978,203.40/11,949,590.40 = 6,561,027.40/x
  3. Step 3: Cross multiply
    7,978,203.40x = 11,949,590.40 × 6,561,027.40
  4. Step 4: Simplify right side
    7,978,203.40x = 78,401,590,033,176.97
  5. Step 5: Solve for x
    x = 78,401,590,033,176.97/7,978,203.40
  6. Step 6: Final answer
    x = 9,826,973.08

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