Home / 8,380,129.61-12,563,414.02-2,619,899.66

Finding the Fourth Proportional to 8,380,129.61, 12,563,414.02 and 2,619,899.66

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Solution

The fourth proportional to 8,380,129.61, 12,563,414.02 and 2,619,899.66 is: 3,927,729.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380,129.61 : 12,563,414.02 = 2,619,899.66 : x
  2. Step 2: Convert to fraction form
    8,380,129.61/12,563,414.02 = 2,619,899.66/x
  3. Step 3: Cross multiply
    8,380,129.61x = 12,563,414.02 × 2,619,899.66
  4. Step 4: Simplify right side
    8,380,129.61x = 32,914,884,043,520.66
  5. Step 5: Solve for x
    x = 32,914,884,043,520.66/8,380,129.61
  6. Step 6: Final answer
    x = 3,927,729.71

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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.