Home / 15,279,734.94-21,085,930.14-8,665,570.34

Finding the Fourth Proportional to 15,279,734.94, 21,085,930.14 and 8,665,570.34

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Solution

The fourth proportional to 15,279,734.94, 21,085,930.14 and 8,665,570.34 is: 11,958,428.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,279,734.94 : 21,085,930.14 = 8,665,570.34 : x
  2. Step 2: Convert to fraction form
    15,279,734.94/21,085,930.14 = 8,665,570.34/x
  3. Step 3: Cross multiply
    15,279,734.94x = 21,085,930.14 × 8,665,570.34
  4. Step 4: Simplify right side
    15,279,734.94x = 182,721,610,790,998.56
  5. Step 5: Solve for x
    x = 182,721,610,790,998.56/15,279,734.94
  6. Step 6: Final answer
    x = 11,958,428.04

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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.