Home / 8,263,837.69-12,396,470.95-2,280,205.69

Finding the Fourth Proportional to 8,263,837.69, 12,396,470.95 and 2,280,205.69

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Solution

The fourth proportional to 8,263,837.69, 12,396,470.95 and 2,280,205.69 is: 3,420,505.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263,837.69 : 12,396,470.95 = 2,280,205.69 : x
  2. Step 2: Convert to fraction form
    8,263,837.69/12,396,470.95 = 2,280,205.69/x
  3. Step 3: Cross multiply
    8,263,837.69x = 12,396,470.95 × 2,280,205.69
  4. Step 4: Simplify right side
    8,263,837.69x = 28,266,503,567,968.79
  5. Step 5: Solve for x
    x = 28,266,503,567,968.79/8,263,837.69
  6. Step 6: Final answer
    x = 3,420,505.66

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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.