Home / 31,589,081.76-47,386,514.32-8,869,825.76

Finding the Fourth Proportional to 31,589,081.76, 47,386,514.32 and 8,869,825.76

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Solution

The fourth proportional to 31,589,081.76, 47,386,514.32 and 8,869,825.76 is: 13,305,550.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,589,081.76 : 47,386,514.32 = 8,869,825.76 : x
  2. Step 2: Convert to fraction form
    31,589,081.76/47,386,514.32 = 8,869,825.76/x
  3. Step 3: Cross multiply
    31,589,081.76x = 47,386,514.32 × 8,869,825.76
  4. Step 4: Simplify right side
    31,589,081.76x = 420,310,125,392,144.88
  5. Step 5: Solve for x
    x = 420,310,125,392,144.88/31,589,081.76
  6. Step 6: Final answer
    x = 13,305,550.59

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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.