Home / 20,100,977.78-27,744,276.21-11,404,241.06

Finding the Fourth Proportional to 20,100,977.78, 27,744,276.21 and 11,404,241.06

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Solution

The fourth proportional to 20,100,977.78, 27,744,276.21 and 11,404,241.06 is: 15,740,647.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,100,977.78 : 27,744,276.21 = 11,404,241.06 : x
  2. Step 2: Convert to fraction form
    20,100,977.78/27,744,276.21 = 11,404,241.06/x
  3. Step 3: Cross multiply
    20,100,977.78x = 27,744,276.21 × 11,404,241.06
  4. Step 4: Simplify right side
    20,100,977.78x = 316,402,413,934,063.19
  5. Step 5: Solve for x
    x = 316,402,413,934,063.19/20,100,977.78
  6. Step 6: Final answer
    x = 15,740,647.91

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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.