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Finding the Fourth Proportional to 10,978,045.80, 16,455,258.90 and 4,151,981.40

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Solution

The fourth proportional to 10,978,045.80, 16,455,258.90 and 4,151,981.40 is: 6,223,505.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,978,045.80 : 16,455,258.90 = 4,151,981.40 : x
  2. Step 2: Convert to fraction form
    10,978,045.80/16,455,258.90 = 4,151,981.40/x
  3. Step 3: Cross multiply
    10,978,045.80x = 16,455,258.90 × 4,151,981.40
  4. Step 4: Simplify right side
    10,978,045.80x = 68,321,928,884,984.46
  5. Step 5: Solve for x
    x = 68,321,928,884,984.46/10,978,045.80
  6. Step 6: Final answer
    x = 6,223,505.54

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