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Finding the Fourth Proportional to 16,388,019.80, 24,582,029.70 and 11,286,186.20

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Solution

The fourth proportional to 16,388,019.80, 24,582,029.70 and 11,286,186.20 is: 16,929,279.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,388,019.80 : 24,582,029.70 = 11,286,186.20 : x
  2. Step 2: Convert to fraction form
    16,388,019.80/24,582,029.70 = 11,286,186.20/x
  3. Step 3: Cross multiply
    16,388,019.80x = 24,582,029.70 × 11,286,186.20
  4. Step 4: Simplify right side
    16,388,019.80x = 277,437,364,368,130.12
  5. Step 5: Solve for x
    x = 277,437,364,368,130.12/16,388,019.80
  6. Step 6: Final answer
    x = 16,929,279.30

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