Home / 8,403,432.78-12,608,326.02-3,289,517.48

Finding the Fourth Proportional to 8,403,432.78, 12,608,326.02 and 3,289,517.48

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Solution

The fourth proportional to 8,403,432.78, 12,608,326.02 and 3,289,517.48 is: 4,935,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403,432.78 : 12,608,326.02 = 3,289,517.48 : x
  2. Step 2: Convert to fraction form
    8,403,432.78/12,608,326.02 = 3,289,517.48/x
  3. Step 3: Cross multiply
    8,403,432.78x = 12,608,326.02 × 3,289,517.48
  4. Step 4: Simplify right side
    8,403,432.78x = 41,475,308,836,328.83
  5. Step 5: Solve for x
    x = 41,475,308,836,328.83/8,403,432.78
  6. Step 6: Final answer
    x = 4,935,519.80

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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.