Home / 12,379,353.69-17,083,175.24-7,420,596.27

Finding the Fourth Proportional to 12,379,353.69, 17,083,175.24 and 7,420,596.27

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Solution

The fourth proportional to 12,379,353.69, 17,083,175.24 and 7,420,596.27 is: 10,240,223.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,379,353.69 : 17,083,175.24 = 7,420,596.27 : x
  2. Step 2: Convert to fraction form
    12,379,353.69/17,083,175.24 = 7,420,596.27/x
  3. Step 3: Cross multiply
    12,379,353.69x = 17,083,175.24 × 7,420,596.27
  4. Step 4: Simplify right side
    12,379,353.69x = 126,767,346,465,700.33
  5. Step 5: Solve for x
    x = 126,767,346,465,700.33/12,379,353.69
  6. Step 6: Final answer
    x = 10,240,223.33

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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.