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Finding the Fourth Proportional to 18,362,964.20, 27,543,279.90 and 6,232,404.20

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Solution

The fourth proportional to 18,362,964.20, 27,543,279.90 and 6,232,404.20 is: 9,348,210.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,362,964.20 : 27,543,279.90 = 6,232,404.20 : x
  2. Step 2: Convert to fraction form
    18,362,964.20/27,543,279.90 = 6,232,404.20/x
  3. Step 3: Cross multiply
    18,362,964.20x = 27,543,279.90 × 6,232,404.20
  4. Step 4: Simplify right side
    18,362,964.20x = 171,660,853,330,535.56
  5. Step 5: Solve for x
    x = 171,660,853,330,535.56/18,362,964.20
  6. Step 6: Final answer
    x = 9,348,210.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.