Home / 8,189,974.80-12,284,962.20-8,083,686.60

Finding the Fourth Proportional to 8,189,974.80, 12,284,962.20 and 8,083,686.60

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Solution

The fourth proportional to 8,189,974.80, 12,284,962.20 and 8,083,686.60 is: 12,125,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189,974.80 : 12,284,962.20 = 8,083,686.60 : x
  2. Step 2: Convert to fraction form
    8,189,974.80/12,284,962.20 = 8,083,686.60/x
  3. Step 3: Cross multiply
    8,189,974.80x = 12,284,962.20 × 8,083,686.60
  4. Step 4: Simplify right side
    8,189,974.80x = 99,307,784,317,646.52
  5. Step 5: Solve for x
    x = 99,307,784,317,646.52/8,189,974.80
  6. Step 6: Final answer
    x = 12,125,529.90

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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.