Home / 12,860,367.38-17,739,234.32-7,629,672.36

Finding the Fourth Proportional to 12,860,367.38, 17,739,234.32 and 7,629,672.36

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Solution

The fourth proportional to 12,860,367.38, 17,739,234.32 and 7,629,672.36 is: 10,524,158.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860,367.38 : 17,739,234.32 = 7,629,672.36 : x
  2. Step 2: Convert to fraction form
    12,860,367.38/17,739,234.32 = 7,629,672.36/x
  3. Step 3: Cross multiply
    12,860,367.38x = 17,739,234.32 × 7,629,672.36
  4. Step 4: Simplify right side
    12,860,367.38x = 135,344,545,778,867.41
  5. Step 5: Solve for x
    x = 135,344,545,778,867.41/12,860,367.38
  6. Step 6: Final answer
    x = 10,524,158.59

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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.