Home / 7,660,800-10,571,976.90-4,223,164.32

Finding the Fourth Proportional to 7,660,800, 10,571,976.90 and 4,223,164.32

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Solution

The fourth proportional to 7,660,800, 10,571,976.90 and 4,223,164.32 is: 5,828,006.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660,800 : 10,571,976.90 = 4,223,164.32 : x
  2. Step 2: Convert to fraction form
    7,660,800/10,571,976.90 = 4,223,164.32/x
  3. Step 3: Cross multiply
    7,660,800x = 10,571,976.90 × 4,223,164.32
  4. Step 4: Simplify right side
    7,660,800x = 44,647,195,635,944.21
  5. Step 5: Solve for x
    x = 44,647,195,635,944.21/7,660,800
  6. Step 6: Final answer
    x = 5,828,006.95

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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.