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Finding the Fourth Proportional to 11,326,871.52, 16,978,930.44 and 3,644,870.40

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Solution

The fourth proportional to 11,326,871.52, 16,978,930.44 and 3,644,870.40 is: 5,463,644.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326,871.52 : 16,978,930.44 = 3,644,870.40 : x
  2. Step 2: Convert to fraction form
    11,326,871.52/16,978,930.44 = 3,644,870.40/x
  3. Step 3: Cross multiply
    11,326,871.52x = 16,978,930.44 × 3,644,870.40
  4. Step 4: Simplify right side
    11,326,871.52x = 61,886,000,984,414.98
  5. Step 5: Solve for x
    x = 61,886,000,984,414.98/11,326,871.52
  6. Step 6: Final answer
    x = 5,463,644.65

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