Home / 13,645,082.62-18,831,865.38-7,766,146.27

Finding the Fourth Proportional to 13,645,082.62, 18,831,865.38 and 7,766,146.27

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Solution

The fourth proportional to 13,645,082.62, 18,831,865.38 and 7,766,146.27 is: 10,718,221.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,645,082.62 : 18,831,865.38 = 7,766,146.27 : x
  2. Step 2: Convert to fraction form
    13,645,082.62/18,831,865.38 = 7,766,146.27/x
  3. Step 3: Cross multiply
    13,645,082.62x = 18,831,865.38 × 7,766,146.27
  4. Step 4: Simplify right side
    13,645,082.62x = 146,251,021,078,029.12
  5. Step 5: Solve for x
    x = 146,251,021,078,029.12/13,645,082.62
  6. Step 6: Final answer
    x = 10,718,221.73

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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.