Home / 12,455,759.87-17,188,959.32-6,949,135.58

Finding the Fourth Proportional to 12,455,759.87, 17,188,959.32 and 6,949,135.58

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Solution

The fourth proportional to 12,455,759.87, 17,188,959.32 and 6,949,135.58 is: 9,589,813.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,759.87 : 17,188,959.32 = 6,949,135.58 : x
  2. Step 2: Convert to fraction form
    12,455,759.87/17,188,959.32 = 6,949,135.58/x
  3. Step 3: Cross multiply
    12,455,759.87x = 17,188,959.32 × 6,949,135.58
  4. Step 4: Simplify right side
    12,455,759.87x = 119,448,408,763,612
  5. Step 5: Solve for x
    x = 119,448,408,763,612/12,455,759.87
  6. Step 6: Final answer
    x = 9,589,813.07

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1.5x scale

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.