Home / 20,252,654.56-27,948,925.80-11,085,100.48

Finding the Fourth Proportional to 20,252,654.56, 27,948,925.80 and 11,085,100.48

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Solution

The fourth proportional to 20,252,654.56, 27,948,925.80 and 11,085,100.48 is: 15,297,582.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252,654.56 : 27,948,925.80 = 11,085,100.48 : x
  2. Step 2: Convert to fraction form
    20,252,654.56/27,948,925.80 = 11,085,100.48/x
  3. Step 3: Cross multiply
    20,252,654.56x = 27,948,925.80 × 11,085,100.48
  4. Step 4: Simplify right side
    20,252,654.56x = 309,816,650,801,064.38
  5. Step 5: Solve for x
    x = 309,816,650,801,064.38/20,252,654.56
  6. Step 6: Final answer
    x = 15,297,582.34

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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.