Home / 20,227,314.72-27,916,425.08-11,408,576.20

Finding the Fourth Proportional to 20,227,314.72, 27,916,425.08 and 11,408,576.20

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Solution

The fourth proportional to 20,227,314.72, 27,916,425.08 and 11,408,576.20 is: 15,745,375.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227,314.72 : 27,916,425.08 = 11,408,576.20 : x
  2. Step 2: Convert to fraction form
    20,227,314.72/27,916,425.08 = 11,408,576.20/x
  3. Step 3: Cross multiply
    20,227,314.72x = 27,916,425.08 × 11,408,576.20
  4. Step 4: Simplify right side
    20,227,314.72x = 318,486,662,756,771.06
  5. Step 5: Solve for x
    x = 318,486,662,756,771.06/20,227,314.72
  6. Step 6: Final answer
    x = 15,745,375.36

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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.