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Finding the Fourth Proportional to 28,978,643.40, 43,373,486.70 and 28,978,643.40

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Solution

The fourth proportional to 28,978,643.40, 43,373,486.70 and 28,978,643.40 is: 43,373,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,978,643.40 : 43,373,486.70 = 28,978,643.40 : x
  2. Step 2: Convert to fraction form
    28,978,643.40/43,373,486.70 = 28,978,643.40/x
  3. Step 3: Cross multiply
    28,978,643.40x = 43,373,486.70 × 28,978,643.40
  4. Step 4: Simplify right side
    28,978,643.40x = 1,256,904,804,093,942.75
  5. Step 5: Solve for x
    x = 1,256,904,804,093,942.75/28,978,643.40
  6. Step 6: Final answer
    x = 43,373,486.70

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Why These Related Problems?

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