Home / 12,910,821.44-17,816,544.18-7,109,634.44

Finding the Fourth Proportional to 12,910,821.44, 17,816,544.18 and 7,109,634.44

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Solution

The fourth proportional to 12,910,821.44, 17,816,544.18 and 7,109,634.44 is: 9,811,081.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,910,821.44 : 17,816,544.18 = 7,109,634.44 : x
  2. Step 2: Convert to fraction form
    12,910,821.44/17,816,544.18 = 7,109,634.44/x
  3. Step 3: Cross multiply
    12,910,821.44x = 17,816,544.18 × 7,109,634.44
  4. Step 4: Simplify right side
    12,910,821.44x = 126,669,116,014,826.83
  5. Step 5: Solve for x
    x = 126,669,116,014,826.83/12,910,821.44
  6. Step 6: Final answer
    x = 9,811,081.09

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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.