Home / 6,642,905.70-9,964,358.55-2,155,181.70

Finding the Fourth Proportional to 6,642,905.70, 9,964,358.55 and 2,155,181.70

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Solution

The fourth proportional to 6,642,905.70, 9,964,358.55 and 2,155,181.70 is: 3,232,772.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,905.70 : 9,964,358.55 = 2,155,181.70 : x
  2. Step 2: Convert to fraction form
    6,642,905.70/9,964,358.55 = 2,155,181.70/x
  3. Step 3: Cross multiply
    6,642,905.70x = 9,964,358.55 × 2,155,181.70
  4. Step 4: Simplify right side
    6,642,905.70x = 21,475,003,199,198.54
  5. Step 5: Solve for x
    x = 21,475,003,199,198.54/6,642,905.70
  6. Step 6: Final answer
    x = 3,232,772.55

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