Home / 22,101,067.76-30,500,392.41-12,311,509.28

Finding the Fourth Proportional to 22,101,067.76, 30,500,392.41 and 12,311,509.28

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Solution

The fourth proportional to 22,101,067.76, 30,500,392.41 and 12,311,509.28 is: 16,990,394.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,101,067.76 : 30,500,392.41 = 12,311,509.28 : x
  2. Step 2: Convert to fraction form
    22,101,067.76/30,500,392.41 = 12,311,509.28/x
  3. Step 3: Cross multiply
    22,101,067.76x = 30,500,392.41 × 12,311,509.28
  4. Step 4: Simplify right side
    22,101,067.76x = 375,505,864,046,854.62
  5. Step 5: Solve for x
    x = 375,505,864,046,854.62/22,101,067.76
  6. Step 6: Final answer
    x = 16,990,394.68

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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.