Home / 18,378,940.20-27,568,410.30-7,592,656.20

Finding the Fourth Proportional to 18,378,940.20, 27,568,410.30 and 7,592,656.20

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Solution

The fourth proportional to 18,378,940.20, 27,568,410.30 and 7,592,656.20 is: 11,388,984.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,378,940.20 : 27,568,410.30 = 7,592,656.20 : x
  2. Step 2: Convert to fraction form
    18,378,940.20/27,568,410.30 = 7,592,656.20/x
  3. Step 3: Cross multiply
    18,378,940.20x = 27,568,410.30 × 7,592,656.20
  4. Step 4: Simplify right side
    18,378,940.20x = 209,317,461,388,438.88
  5. Step 5: Solve for x
    x = 209,317,461,388,438.88/18,378,940.20
  6. Step 6: Final answer
    x = 11,388,984.30

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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.