Home / 12,479,367.06-17,219,943.36-7,320,846.42

Finding the Fourth Proportional to 12,479,367.06, 17,219,943.36 and 7,320,846.42

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Solution

The fourth proportional to 12,479,367.06, 17,219,943.36 and 7,320,846.42 is: 10,101,839.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,479,367.06 : 17,219,943.36 = 7,320,846.42 : x
  2. Step 2: Convert to fraction form
    12,479,367.06/17,219,943.36 = 7,320,846.42/x
  3. Step 3: Cross multiply
    12,479,367.06x = 17,219,943.36 × 7,320,846.42
  4. Step 4: Simplify right side
    12,479,367.06x = 126,064,560,699,658.77
  5. Step 5: Solve for x
    x = 126,064,560,699,658.77/12,479,367.06
  6. Step 6: Final answer
    x = 10,101,839.31

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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.