Home / 13,613,279.94-20,419,845.90-7,852,279.14

Finding the Fourth Proportional to 13,613,279.94, 20,419,845.90 and 7,852,279.14

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Solution

The fourth proportional to 13,613,279.94, 20,419,845.90 and 7,852,279.14 is: 11,778,376.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,613,279.94 : 20,419,845.90 = 7,852,279.14 : x
  2. Step 2: Convert to fraction form
    13,613,279.94/20,419,845.90 = 7,852,279.14/x
  3. Step 3: Cross multiply
    13,613,279.94x = 20,419,845.90 × 7,852,279.14
  4. Step 4: Simplify right side
    13,613,279.94x = 160,342,330,002,584.50
  5. Step 5: Solve for x
    x = 160,342,330,002,584.50/13,613,279.94
  6. Step 6: Final answer
    x = 11,778,376.02

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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.