Home / 12,978,942.28-19,466,926.26-3,395,245.84

Finding the Fourth Proportional to 12,978,942.28, 19,466,926.26 and 3,395,245.84

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Solution

The fourth proportional to 12,978,942.28, 19,466,926.26 and 3,395,245.84 is: 5,092,479.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,978,942.28 : 19,466,926.26 = 3,395,245.84 : x
  2. Step 2: Convert to fraction form
    12,978,942.28/19,466,926.26 = 3,395,245.84/x
  3. Step 3: Cross multiply
    12,978,942.28x = 19,466,926.26 × 3,395,245.84
  4. Step 4: Simplify right side
    12,978,942.28x = 66,095,000,401,851.76
  5. Step 5: Solve for x
    x = 66,095,000,401,851.76/12,978,942.28
  6. Step 6: Final answer
    x = 5,092,479.72

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