Home / 18,664,166.20-27,996,249.30-5,200,994.20

Finding the Fourth Proportional to 18,664,166.20, 27,996,249.30 and 5,200,994.20

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Solution

The fourth proportional to 18,664,166.20, 27,996,249.30 and 5,200,994.20 is: 7,801,491.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664,166.20 : 27,996,249.30 = 5,200,994.20 : x
  2. Step 2: Convert to fraction form
    18,664,166.20/27,996,249.30 = 5,200,994.20/x
  3. Step 3: Cross multiply
    18,664,166.20x = 27,996,249.30 × 5,200,994.20
  4. Step 4: Simplify right side
    18,664,166.20x = 145,608,330,231,054.06
  5. Step 5: Solve for x
    x = 145,608,330,231,054.06/18,664,166.20
  6. Step 6: Final answer
    x = 7,801,491.30

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1.5x scale

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.