Home / 7,198,222.72-9,880,671.92-6,364,155.60

Finding the Fourth Proportional to 7,198,222.72, 9,880,671.92 and 6,364,155.60

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Solution

The fourth proportional to 7,198,222.72, 9,880,671.92 and 6,364,155.60 is: 8,735,786.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,198,222.72 : 9,880,671.92 = 6,364,155.60 : x
  2. Step 2: Convert to fraction form
    7,198,222.72/9,880,671.92 = 6,364,155.60/x
  3. Step 3: Cross multiply
    7,198,222.72x = 9,880,671.92 × 6,364,155.60
  4. Step 4: Simplify right side
    7,198,222.72x = 62,882,133,531,430.75
  5. Step 5: Solve for x
    x = 62,882,133,531,430.75/7,198,222.72
  6. Step 6: Final answer
    x = 8,735,786.04

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.