Home / 15,192,733.70-20,965,971.89-8,317,215.76

Finding the Fourth Proportional to 15,192,733.70, 20,965,971.89 and 8,317,215.76

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Solution

The fourth proportional to 15,192,733.70, 20,965,971.89 and 8,317,215.76 is: 11,477,757.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,192,733.70 : 20,965,971.89 = 8,317,215.76 : x
  2. Step 2: Convert to fraction form
    15,192,733.70/20,965,971.89 = 8,317,215.76/x
  3. Step 3: Cross multiply
    15,192,733.70x = 20,965,971.89 × 8,317,215.76
  4. Step 4: Simplify right side
    15,192,733.70x = 174,378,511,795,603.09
  5. Step 5: Solve for x
    x = 174,378,511,795,603.09/15,192,733.70
  6. Step 6: Final answer
    x = 11,477,757.41

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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.