Home / 8,323,142.80-12,485,059.80-2,643,206.80

Finding the Fourth Proportional to 8,323,142.80, 12,485,059.80 and 2,643,206.80

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Solution

The fourth proportional to 8,323,142.80, 12,485,059.80 and 2,643,206.80 is: 3,964,919.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323,142.80 : 12,485,059.80 = 2,643,206.80 : x
  2. Step 2: Convert to fraction form
    8,323,142.80/12,485,059.80 = 2,643,206.80/x
  3. Step 3: Cross multiply
    8,323,142.80x = 12,485,059.80 × 2,643,206.80
  4. Step 4: Simplify right side
    8,323,142.80x = 33,000,594,961,766.64
  5. Step 5: Solve for x
    x = 33,000,594,961,766.64/8,323,142.80
  6. Step 6: Final answer
    x = 3,964,919.95

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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.