Home / 12,969,236.58-17,898,473.12-7,167,893.76

Finding the Fourth Proportional to 12,969,236.58, 17,898,473.12 and 7,167,893.76

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Solution

The fourth proportional to 12,969,236.58, 17,898,473.12 and 7,167,893.76 is: 9,892,205.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,969,236.58 : 17,898,473.12 = 7,167,893.76 : x
  2. Step 2: Convert to fraction form
    12,969,236.58/17,898,473.12 = 7,167,893.76/x
  3. Step 3: Cross multiply
    12,969,236.58x = 17,898,473.12 × 7,167,893.76
  4. Step 4: Simplify right side
    12,969,236.58x = 128,294,353,790,375.73
  5. Step 5: Solve for x
    x = 128,294,353,790,375.73/12,969,236.58
  6. Step 6: Final answer
    x = 9,892,205.53

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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.