Home / 12,208,794-18,289,247.45-7,080,449.86

Finding the Fourth Proportional to 12,208,794, 18,289,247.45 and 7,080,449.86

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Solution

The fourth proportional to 12,208,794, 18,289,247.45 and 7,080,449.86 is: 10,606,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208,794 : 18,289,247.45 = 7,080,449.86 : x
  2. Step 2: Convert to fraction form
    12,208,794/18,289,247.45 = 7,080,449.86/x
  3. Step 3: Cross multiply
    12,208,794x = 18,289,247.45 × 7,080,449.86
  4. Step 4: Simplify right side
    12,208,794x = 129,496,099,483,433.62
  5. Step 5: Solve for x
    x = 129,496,099,483,433.62/12,208,794
  6. Step 6: Final answer
    x = 10,606,788.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.