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Finding the Fourth Proportional to 11,978,206.40, 17,967,309.60 and 6,584,772.80

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Solution

The fourth proportional to 11,978,206.40, 17,967,309.60 and 6,584,772.80 is: 9,877,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,978,206.40 : 17,967,309.60 = 6,584,772.80 : x
  2. Step 2: Convert to fraction form
    11,978,206.40/17,967,309.60 = 6,584,772.80/x
  3. Step 3: Cross multiply
    11,978,206.40x = 17,967,309.60 × 6,584,772.80
  4. Step 4: Simplify right side
    11,978,206.40x = 118,310,651,543,258.89
  5. Step 5: Solve for x
    x = 118,310,651,543,258.89/11,978,206.40
  6. Step 6: Final answer
    x = 9,877,159.20

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Why These Related Problems?

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