Home / 8,448,908-12,668,300.82-2,689,153.68

Finding the Fourth Proportional to 8,448,908, 12,668,300.82 and 2,689,153.68

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Solution

The fourth proportional to 8,448,908, 12,668,300.82 and 2,689,153.68 is: 4,032,119.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448,908 : 12,668,300.82 = 2,689,153.68 : x
  2. Step 2: Convert to fraction form
    8,448,908/12,668,300.82 = 2,689,153.68/x
  3. Step 3: Cross multiply
    8,448,908x = 12,668,300.82 × 2,689,153.68
  4. Step 4: Simplify right side
    8,448,908x = 34,067,007,769,450.02
  5. Step 5: Solve for x
    x = 34,067,007,769,450.02/8,448,908
  6. Step 6: Final answer
    x = 4,032,119.63

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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.