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Finding the Fourth Proportional to 18,736,026.20, 28,104,039.30 and 14,484,498.20

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Solution

The fourth proportional to 18,736,026.20, 28,104,039.30 and 14,484,498.20 is: 21,726,747.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736,026.20 : 28,104,039.30 = 14,484,498.20 : x
  2. Step 2: Convert to fraction form
    18,736,026.20/28,104,039.30 = 14,484,498.20/x
  3. Step 3: Cross multiply
    18,736,026.20x = 28,104,039.30 × 14,484,498.20
  4. Step 4: Simplify right side
    18,736,026.20x = 407,072,906,653,579.25
  5. Step 5: Solve for x
    x = 407,072,906,653,579.25/18,736,026.20
  6. Step 6: Final answer
    x = 21,726,747.30

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