Home / 13,486,576.05-20,229,864.08-11,927,682.45

Finding the Fourth Proportional to 13,486,576.05, 20,229,864.08 and 11,927,682.45

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Solution

The fourth proportional to 13,486,576.05, 20,229,864.08 and 11,927,682.45 is: 17,891,523.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,576.05 : 20,229,864.08 = 11,927,682.45 : x
  2. Step 2: Convert to fraction form
    13,486,576.05/20,229,864.08 = 11,927,682.45/x
  3. Step 3: Cross multiply
    13,486,576.05x = 20,229,864.08 × 11,927,682.45
  4. Step 4: Simplify right side
    13,486,576.05x = 241,295,394,693,262.97
  5. Step 5: Solve for x
    x = 241,295,394,693,262.97/13,486,576.05
  6. Step 6: Final answer
    x = 17,891,523.68

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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.