Home / 20,368,714.85-28,109,565.66-11,668,568.97

Finding the Fourth Proportional to 20,368,714.85, 28,109,565.66 and 11,668,568.97

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Solution

The fourth proportional to 20,368,714.85, 28,109,565.66 and 11,668,568.97 is: 16,103,048.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,368,714.85 : 28,109,565.66 = 11,668,568.97 : x
  2. Step 2: Convert to fraction form
    20,368,714.85/28,109,565.66 = 11,668,568.97/x
  3. Step 3: Cross multiply
    20,368,714.85x = 28,109,565.66 × 11,668,568.97
  4. Step 4: Simplify right side
    20,368,714.85x = 327,998,405,769,621.62
  5. Step 5: Solve for x
    x = 327,998,405,769,621.62/20,368,714.85
  6. Step 6: Final answer
    x = 16,103,048.63

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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.