Home / 12,405,149.71-17,116,597.95-7,247,514.82

Finding the Fourth Proportional to 12,405,149.71, 17,116,597.95 and 7,247,514.82

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Solution

The fourth proportional to 12,405,149.71, 17,116,597.95 and 7,247,514.82 is: 10,000,104.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,405,149.71 : 17,116,597.95 = 7,247,514.82 : x
  2. Step 2: Convert to fraction form
    12,405,149.71/17,116,597.95 = 7,247,514.82/x
  3. Step 3: Cross multiply
    12,405,149.71x = 17,116,597.95 × 7,247,514.82
  4. Step 4: Simplify right side
    12,405,149.71x = 124,052,797,310,606.62
  5. Step 5: Solve for x
    x = 124,052,797,310,606.62/12,405,149.71
  6. Step 6: Final answer
    x = 10,000,104.81

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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.