Home / 13,318,830-18,380,001.80-7,207,258.50

Finding the Fourth Proportional to 13,318,830, 18,380,001.80 and 7,207,258.50

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Solution

The fourth proportional to 13,318,830, 18,380,001.80 and 7,207,258.50 is: 9,946,025.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,318,830 : 18,380,001.80 = 7,207,258.50 : x
  2. Step 2: Convert to fraction form
    13,318,830/18,380,001.80 = 7,207,258.50/x
  3. Step 3: Cross multiply
    13,318,830x = 18,380,001.80 × 7,207,258.50
  4. Step 4: Simplify right side
    13,318,830x = 132,469,424,221,083.44
  5. Step 5: Solve for x
    x = 132,469,424,221,083.44/13,318,830
  6. Step 6: Final answer
    x = 9,946,025.61

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