Home / 10,388,081.40-15,582,122.10-7,868,657.40

Finding the Fourth Proportional to 10,388,081.40, 15,582,122.10 and 7,868,657.40

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Solution

The fourth proportional to 10,388,081.40, 15,582,122.10 and 7,868,657.40 is: 11,802,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388,081.40 : 15,582,122.10 = 7,868,657.40 : x
  2. Step 2: Convert to fraction form
    10,388,081.40/15,582,122.10 = 7,868,657.40/x
  3. Step 3: Cross multiply
    10,388,081.40x = 15,582,122.10 × 7,868,657.40
  4. Step 4: Simplify right side
    10,388,081.40x = 122,610,380,369,868.55
  5. Step 5: Solve for x
    x = 122,610,380,369,868.55/10,388,081.40
  6. Step 6: Final answer
    x = 11,802,986.10

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