Home / 8,824,922.37-12,178,913.09-6,645,620.61

Finding the Fourth Proportional to 8,824,922.37, 12,178,913.09 and 6,645,620.61

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Solution

The fourth proportional to 8,824,922.37, 12,178,913.09 and 6,645,620.61 is: 9,171,348.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,824,922.37 : 12,178,913.09 = 6,645,620.61 : x
  2. Step 2: Convert to fraction form
    8,824,922.37/12,178,913.09 = 6,645,620.61/x
  3. Step 3: Cross multiply
    8,824,922.37x = 12,178,913.09 × 6,645,620.61
  4. Step 4: Simplify right side
    8,824,922.37x = 80,936,435,805,074.69
  5. Step 5: Solve for x
    x = 80,936,435,805,074.69/8,824,922.37
  6. Step 6: Final answer
    x = 9,171,348.19

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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.