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Finding the Fourth Proportional to 19,487,986.80, 27,342,901.20 and 19,487,986.80

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Solution

The fourth proportional to 19,487,986.80, 27,342,901.20 and 19,487,986.80 is: 27,342,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487,986.80 : 27,342,901.20 = 19,487,986.80 : x
  2. Step 2: Convert to fraction form
    19,487,986.80/27,342,901.20 = 19,487,986.80/x
  3. Step 3: Cross multiply
    19,487,986.80x = 27,342,901.20 × 19,487,986.80
  4. Step 4: Simplify right side
    19,487,986.80x = 532,858,097,659,304.19
  5. Step 5: Solve for x
    x = 532,858,097,659,304.19/19,487,986.80
  6. Step 6: Final answer
    x = 27,342,901.20

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