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Finding the Fourth Proportional to 9,978,943.84, 13,770,930.84 and 5,395,254.28

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Solution

The fourth proportional to 9,978,943.84, 13,770,930.84 and 5,395,254.28 is: 7,445,444.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,978,943.84 : 13,770,930.84 = 5,395,254.28 : x
  2. Step 2: Convert to fraction form
    9,978,943.84/13,770,930.84 = 5,395,254.28/x
  3. Step 3: Cross multiply
    9,978,943.84x = 13,770,930.84 × 5,395,254.28
  4. Step 4: Simplify right side
    9,978,943.84x = 74,297,673,554,094
  5. Step 5: Solve for x
    x = 74,297,673,554,094/9,978,943.84
  6. Step 6: Final answer
    x = 7,445,444.60

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Why These Related Problems?

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