Home / 18,571,851.60-27,857,777.40-11,769,406.80

Finding the Fourth Proportional to 18,571,851.60, 27,857,777.40 and 11,769,406.80

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Solution

The fourth proportional to 18,571,851.60, 27,857,777.40 and 11,769,406.80 is: 17,654,110.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,571,851.60 : 27,857,777.40 = 11,769,406.80 : x
  2. Step 2: Convert to fraction form
    18,571,851.60/27,857,777.40 = 11,769,406.80/x
  3. Step 3: Cross multiply
    18,571,851.60x = 27,857,777.40 × 11,769,406.80
  4. Step 4: Simplify right side
    18,571,851.60x = 327,869,514,764,446.31
  5. Step 5: Solve for x
    x = 327,869,514,764,446.31/18,571,851.60
  6. Step 6: Final answer
    x = 17,654,110.20

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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.