Home / 20,200,656.34-27,876,100.35-11,379,902.14

Finding the Fourth Proportional to 20,200,656.34, 27,876,100.35 and 11,379,902.14

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Solution

The fourth proportional to 20,200,656.34, 27,876,100.35 and 11,379,902.14 is: 15,703,811.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,200,656.34 : 27,876,100.35 = 11,379,902.14 : x
  2. Step 2: Convert to fraction form
    20,200,656.34/27,876,100.35 = 11,379,902.14/x
  3. Step 3: Cross multiply
    20,200,656.34x = 27,876,100.35 × 11,379,902.14
  4. Step 4: Simplify right side
    20,200,656.34x = 317,227,294,027,819.81
  5. Step 5: Solve for x
    x = 317,227,294,027,819.81/20,200,656.34
  6. Step 6: Final answer
    x = 15,703,811.24

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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.