Home / 20,609,891.73-28,440,540.05-11,441,944.53

Finding the Fourth Proportional to 20,609,891.73, 28,440,540.05 and 11,441,944.53

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Solution

The fourth proportional to 20,609,891.73, 28,440,540.05 and 11,441,944.53 is: 15,789,266.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,609,891.73 : 28,440,540.05 = 11,441,944.53 : x
  2. Step 2: Convert to fraction form
    20,609,891.73/28,440,540.05 = 11,441,944.53/x
  3. Step 3: Cross multiply
    20,609,891.73x = 28,440,540.05 × 11,441,944.53
  4. Step 4: Simplify right side
    20,609,891.73x = 325,415,081,598,133.69
  5. Step 5: Solve for x
    x = 325,415,081,598,133.69/20,609,891.73
  6. Step 6: Final answer
    x = 15,789,266.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.