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Finding the Fourth Proportional to 10,978,032.80, 16,455,239.40 and 4,151,968.40

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Solution

The fourth proportional to 10,978,032.80, 16,455,239.40 and 4,151,968.40 is: 6,223,486.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,978,032.80 : 16,455,239.40 = 4,151,968.40 : x
  2. Step 2: Convert to fraction form
    10,978,032.80/16,455,239.40 = 4,151,968.40/x
  3. Step 3: Cross multiply
    10,978,032.80x = 16,455,239.40 × 4,151,968.40
  4. Step 4: Simplify right side
    10,978,032.80x = 68,321,634,003,234.96
  5. Step 5: Solve for x
    x = 68,321,634,003,234.96/10,978,032.80
  6. Step 6: Final answer
    x = 6,223,486.05

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Why These Related Problems?

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