Home / 13,171,853.45-19,777,202.85-7,347,419.42

Finding the Fourth Proportional to 13,171,853.45, 19,777,202.85 and 7,347,419.42

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Solution

The fourth proportional to 13,171,853.45, 19,777,202.85 and 7,347,419.42 is: 11,031,963.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,171,853.45 : 19,777,202.85 = 7,347,419.42 : x
  2. Step 2: Convert to fraction form
    13,171,853.45/19,777,202.85 = 7,347,419.42/x
  3. Step 3: Cross multiply
    13,171,853.45x = 19,777,202.85 × 7,347,419.42
  4. Step 4: Simplify right side
    13,171,853.45x = 145,311,404,293,369.34
  5. Step 5: Solve for x
    x = 145,311,404,293,369.34/13,171,853.45
  6. Step 6: Final answer
    x = 11,031,963.33

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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.