Home / 18,213,819.33-27,312,947.37-10,542,758.96

Finding the Fourth Proportional to 18,213,819.33, 27,312,947.37 and 10,542,758.96

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Solution

The fourth proportional to 18,213,819.33, 27,312,947.37 and 10,542,758.96 is: 15,809,634.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213,819.33 : 27,312,947.37 = 10,542,758.96 : x
  2. Step 2: Convert to fraction form
    18,213,819.33/27,312,947.37 = 10,542,758.96/x
  3. Step 3: Cross multiply
    18,213,819.33x = 27,312,947.37 × 10,542,758.96
  4. Step 4: Simplify right side
    18,213,819.33x = 287,953,820,472,511.19
  5. Step 5: Solve for x
    x = 287,953,820,472,511.19/18,213,819.33
  6. Step 6: Final answer
    x = 15,809,634.17

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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.