Home / 15,519,428.61-21,418,481.97-8,550,806.73

Finding the Fourth Proportional to 15,519,428.61, 21,418,481.97 and 8,550,806.73

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Solution

The fourth proportional to 15,519,428.61, 21,418,481.97 and 8,550,806.73 is: 11,801,033.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,519,428.61 : 21,418,481.97 = 8,550,806.73 : x
  2. Step 2: Convert to fraction form
    15,519,428.61/21,418,481.97 = 8,550,806.73/x
  3. Step 3: Cross multiply
    15,519,428.61x = 21,418,481.97 × 8,550,806.73
  4. Step 4: Simplify right side
    15,519,428.61x = 183,145,299,775,459.66
  5. Step 5: Solve for x
    x = 183,145,299,775,459.66/15,519,428.61
  6. Step 6: Final answer
    x = 11,801,033.68

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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.