Home / 12,859,884.06-17,761,368.80-8,469,236.89

Finding the Fourth Proportional to 12,859,884.06, 17,761,368.80 and 8,469,236.89

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Solution

The fourth proportional to 12,859,884.06, 17,761,368.80 and 8,469,236.89 is: 11,697,246.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859,884.06 : 17,761,368.80 = 8,469,236.89 : x
  2. Step 2: Convert to fraction form
    12,859,884.06/17,761,368.80 = 8,469,236.89/x
  3. Step 3: Cross multiply
    12,859,884.06x = 17,761,368.80 × 8,469,236.89
  4. Step 4: Simplify right side
    12,859,884.06x = 150,425,239,857,855.06
  5. Step 5: Solve for x
    x = 150,425,239,857,855.06/12,859,884.06
  6. Step 6: Final answer
    x = 11,697,246.97

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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.