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Finding the Fourth Proportional to 28,978,810.40, 43,473,464.40 and 14,565,605.60

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Solution

The fourth proportional to 28,978,810.40, 43,473,464.40 and 14,565,605.60 is: 21,851,046.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,978,810.40 : 43,473,464.40 = 14,565,605.60 : x
  2. Step 2: Convert to fraction form
    28,978,810.40/43,473,464.40 = 14,565,605.60/x
  3. Step 3: Cross multiply
    28,978,810.40x = 43,473,464.40 × 14,565,605.60
  4. Step 4: Simplify right side
    28,978,810.40x = 633,217,336,516,040.62
  5. Step 5: Solve for x
    x = 633,217,336,516,040.62/28,978,810.40
  6. Step 6: Final answer
    x = 21,851,046.60

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