Home / 18,396,543.40-27,573,889.74-11,192,196.52

Finding the Fourth Proportional to 18,396,543.40, 27,573,889.74 and 11,192,196.52

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Solution

The fourth proportional to 18,396,543.40, 27,573,889.74 and 11,192,196.52 is: 16,775,564.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,396,543.40 : 27,573,889.74 = 11,192,196.52 : x
  2. Step 2: Convert to fraction form
    18,396,543.40/27,573,889.74 = 11,192,196.52/x
  3. Step 3: Cross multiply
    18,396,543.40x = 27,573,889.74 × 11,192,196.52
  4. Step 4: Simplify right side
    18,396,543.40x = 308,612,392,790,891.69
  5. Step 5: Solve for x
    x = 308,612,392,790,891.69/18,396,543.40
  6. Step 6: Final answer
    x = 16,775,564.09

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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.