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Finding the Fourth Proportional to 28,978,800.60, 43,468,200.90 and 15,541,872.60

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Solution

The fourth proportional to 28,978,800.60, 43,468,200.90 and 15,541,872.60 is: 23,312,808.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,978,800.60 : 43,468,200.90 = 15,541,872.60 : x
  2. Step 2: Convert to fraction form
    28,978,800.60/43,468,200.90 = 15,541,872.60/x
  3. Step 3: Cross multiply
    28,978,800.60x = 43,468,200.90 × 15,541,872.60
  4. Step 4: Simplify right side
    28,978,800.60x = 675,577,240,539,005.25
  5. Step 5: Solve for x
    x = 675,577,240,539,005.25/28,978,800.60
  6. Step 6: Final answer
    x = 23,312,808.90

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