Home / 18,398,783.20-27,567,665.14-11,188,506.64

Finding the Fourth Proportional to 18,398,783.20, 27,567,665.14 and 11,188,506.64

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Solution

The fourth proportional to 18,398,783.20, 27,567,665.14 and 11,188,506.64 is: 16,764,206.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398,783.20 : 27,567,665.14 = 11,188,506.64 : x
  2. Step 2: Convert to fraction form
    18,398,783.20/27,567,665.14 = 11,188,506.64/x
  3. Step 3: Cross multiply
    18,398,783.20x = 27,567,665.14 × 11,188,506.64
  4. Step 4: Simplify right side
    18,398,783.20x = 308,441,004,468,186.56
  5. Step 5: Solve for x
    x = 308,441,004,468,186.56/18,398,783.20
  6. Step 6: Final answer
    x = 16,764,206.69

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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.