Home / 12,863,949.87-17,752,285.75-7,063,107.33

Finding the Fourth Proportional to 12,863,949.87, 17,752,285.75 and 7,063,107.33

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Solution

The fourth proportional to 12,863,949.87, 17,752,285.75 and 7,063,107.33 is: 9,747,107.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,863,949.87 : 17,752,285.75 = 7,063,107.33 : x
  2. Step 2: Convert to fraction form
    12,863,949.87/17,752,285.75 = 7,063,107.33/x
  3. Step 3: Cross multiply
    12,863,949.87x = 17,752,285.75 × 7,063,107.33
  4. Step 4: Simplify right side
    12,863,949.87x = 125,386,299,605,079.55
  5. Step 5: Solve for x
    x = 125,386,299,605,079.55/12,863,949.87
  6. Step 6: Final answer
    x = 9,747,107.29

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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.