Home / 20,547,882.64-28,356,286.44-12,397,546

Finding the Fourth Proportional to 20,547,882.64, 28,356,286.44 and 12,397,546

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Solution

The fourth proportional to 20,547,882.64, 28,356,286.44 and 12,397,546 is: 17,108,739.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,547,882.64 : 28,356,286.44 = 12,397,546 : x
  2. Step 2: Convert to fraction form
    20,547,882.64/28,356,286.44 = 12,397,546/x
  3. Step 3: Cross multiply
    20,547,882.64x = 28,356,286.44 × 12,397,546
  4. Step 4: Simplify right side
    20,547,882.64x = 351,548,365,529,076.25
  5. Step 5: Solve for x
    x = 351,548,365,529,076.25/20,547,882.64
  6. Step 6: Final answer
    x = 17,108,739.22

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