Home / 12,863,947.87-17,752,282.99-7,063,105.33

Finding the Fourth Proportional to 12,863,947.87, 17,752,282.99 and 7,063,105.33

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Solution

The fourth proportional to 12,863,947.87, 17,752,282.99 and 7,063,105.33 is: 9,747,104.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,863,947.87 : 17,752,282.99 = 7,063,105.33 : x
  2. Step 2: Convert to fraction form
    12,863,947.87/17,752,282.99 = 7,063,105.33/x
  3. Step 3: Cross multiply
    12,863,947.87x = 17,752,282.99 × 7,063,105.33
  4. Step 4: Simplify right side
    12,863,947.87x = 125,386,244,610,869.92
  5. Step 5: Solve for x
    x = 125,386,244,610,869.92/12,863,947.87
  6. Step 6: Final answer
    x = 9,747,104.53

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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.