Home / 14,622,716.82-20,172,996.24-8,818,273.02

Finding the Fourth Proportional to 14,622,716.82, 20,172,996.24 and 8,818,273.02

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Solution

The fourth proportional to 14,622,716.82, 20,172,996.24 and 8,818,273.02 is: 12,165,385.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622,716.82 : 20,172,996.24 = 8,818,273.02 : x
  2. Step 2: Convert to fraction form
    14,622,716.82/20,172,996.24 = 8,818,273.02/x
  3. Step 3: Cross multiply
    14,622,716.82x = 20,172,996.24 × 8,818,273.02
  4. Step 4: Simplify right side
    14,622,716.82x = 177,890,988,475,753.41
  5. Step 5: Solve for x
    x = 177,890,988,475,753.41/14,622,716.82
  6. Step 6: Final answer
    x = 12,165,385.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.