Home / 16,917,078.30-23,344,942.60-9,181,955.76

Finding the Fourth Proportional to 16,917,078.30, 23,344,942.60 and 9,181,955.76

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Solution

The fourth proportional to 16,917,078.30, 23,344,942.60 and 9,181,955.76 is: 12,670,759.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,917,078.30 : 23,344,942.60 = 9,181,955.76 : x
  2. Step 2: Convert to fraction form
    16,917,078.30/23,344,942.60 = 9,181,955.76/x
  3. Step 3: Cross multiply
    16,917,078.30x = 23,344,942.60 × 9,181,955.76
  4. Step 4: Simplify right side
    16,917,078.30x = 214,352,230,172,939.38
  5. Step 5: Solve for x
    x = 214,352,230,172,939.38/16,917,078.30
  6. Step 6: Final answer
    x = 12,670,759.48

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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.