Home / 20,460,680.14-28,231,523.58-11,757,171.19

Finding the Fourth Proportional to 20,460,680.14, 28,231,523.58 and 11,757,171.19

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Solution

The fourth proportional to 20,460,680.14, 28,231,523.58 and 11,757,171.19 is: 16,222,474.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,460,680.14 : 28,231,523.58 = 11,757,171.19 : x
  2. Step 2: Convert to fraction form
    20,460,680.14/28,231,523.58 = 11,757,171.19/x
  3. Step 3: Cross multiply
    20,460,680.14x = 28,231,523.58 × 11,757,171.19
  4. Step 4: Simplify right side
    20,460,680.14x = 331,922,855,684,581.62
  5. Step 5: Solve for x
    x = 331,922,855,684,581.62/20,460,680.14
  6. Step 6: Final answer
    x = 16,222,474.20

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Double scale
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1.5x scale

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.