Home / 18,398,784.20-27,567,666.64-11,188,507.64

Finding the Fourth Proportional to 18,398,784.20, 27,567,666.64 and 11,188,507.64

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Solution

The fourth proportional to 18,398,784.20, 27,567,666.64 and 11,188,507.64 is: 16,764,208.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398,784.20 : 27,567,666.64 = 11,188,507.64 : x
  2. Step 2: Convert to fraction form
    18,398,784.20/27,567,666.64 = 11,188,507.64/x
  3. Step 3: Cross multiply
    18,398,784.20x = 27,567,666.64 × 11,188,507.64
  4. Step 4: Simplify right side
    18,398,784.20x = 308,441,048,818,613.12
  5. Step 5: Solve for x
    x = 308,441,048,818,613.12/18,398,784.20
  6. Step 6: Final answer
    x = 16,764,208.19

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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.