Home / 8,321,391.80-12,463,425.30-6,828,399.80

Finding the Fourth Proportional to 8,321,391.80, 12,463,425.30 and 6,828,399.80

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Solution

The fourth proportional to 8,321,391.80, 12,463,425.30 and 6,828,399.80 is: 10,227,285.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,391.80 : 12,463,425.30 = 6,828,399.80 : x
  2. Step 2: Convert to fraction form
    8,321,391.80/12,463,425.30 = 6,828,399.80/x
  3. Step 3: Cross multiply
    8,321,391.80x = 12,463,425.30 × 6,828,399.80
  4. Step 4: Simplify right side
    8,321,391.80x = 85,105,250,825,834.94
  5. Step 5: Solve for x
    x = 85,105,250,825,834.94/8,321,391.80
  6. Step 6: Final answer
    x = 10,227,285.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.