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Finding the Fourth Proportional to 18,978,602.87, 26,190,597.72 and 10,276,775.45

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Solution

The fourth proportional to 18,978,602.87, 26,190,597.72 and 10,276,775.45 is: 14,182,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,978,602.87 : 26,190,597.72 = 10,276,775.45 : x
  2. Step 2: Convert to fraction form
    18,978,602.87/26,190,597.72 = 10,276,775.45/x
  3. Step 3: Cross multiply
    18,978,602.87x = 26,190,597.72 × 10,276,775.45
  4. Step 4: Simplify right side
    18,978,602.87x = 269,154,891,538,768.97
  5. Step 5: Solve for x
    x = 269,154,891,538,768.97/18,978,602.87
  6. Step 6: Final answer
    x = 14,182,018.22

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Why These Related Problems?

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