Home / 8,179,219.80-12,268,829.70-2,196,192.60

Finding the Fourth Proportional to 8,179,219.80, 12,268,829.70 and 2,196,192.60

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Solution

The fourth proportional to 8,179,219.80, 12,268,829.70 and 2,196,192.60 is: 3,294,288.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179,219.80 : 12,268,829.70 = 2,196,192.60 : x
  2. Step 2: Convert to fraction form
    8,179,219.80/12,268,829.70 = 2,196,192.60/x
  3. Step 3: Cross multiply
    8,179,219.80x = 12,268,829.70 × 2,196,192.60
  4. Step 4: Simplify right side
    8,179,219.80x = 26,944,712,997,800.22
  5. Step 5: Solve for x
    x = 26,944,712,997,800.22/8,179,219.80
  6. Step 6: Final answer
    x = 3,294,288.90

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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.