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Finding the Fourth Proportional to 16,362,202.82, 22,579,908.30 and 9,019,875.20

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Solution

The fourth proportional to 16,362,202.82, 22,579,908.30 and 9,019,875.20 is: 12,447,465.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,362,202.82 : 22,579,908.30 = 9,019,875.20 : x
  2. Step 2: Convert to fraction form
    16,362,202.82/22,579,908.30 = 9,019,875.20/x
  3. Step 3: Cross multiply
    16,362,202.82x = 22,579,908.30 × 9,019,875.20
  4. Step 4: Simplify right side
    16,362,202.82x = 203,667,954,907,556.62
  5. Step 5: Solve for x
    x = 203,667,954,907,556.62/16,362,202.82
  6. Step 6: Final answer
    x = 12,447,465.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.