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Finding the Fourth Proportional to 9,978,733.86, 14,967,969.57 and 2,405,638.86

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Solution

The fourth proportional to 9,978,733.86, 14,967,969.57 and 2,405,638.86 is: 3,608,426.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,978,733.86 : 14,967,969.57 = 2,405,638.86 : x
  2. Step 2: Convert to fraction form
    9,978,733.86/14,967,969.57 = 2,405,638.86/x
  3. Step 3: Cross multiply
    9,978,733.86x = 14,967,969.57 × 2,405,638.86
  4. Step 4: Simplify right side
    9,978,733.86x = 36,007,529,252,889.49
  5. Step 5: Solve for x
    x = 36,007,529,252,889.49/9,978,733.86
  6. Step 6: Final answer
    x = 3,608,426.66

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