Home / 13,561,902.80-20,376,031.80-10,202,670.80

Finding the Fourth Proportional to 13,561,902.80, 20,376,031.80 and 10,202,670.80

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Solution

The fourth proportional to 13,561,902.80, 20,376,031.80 and 10,202,670.80 is: 15,328,965.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561,902.80 : 20,376,031.80 = 10,202,670.80 : x
  2. Step 2: Convert to fraction form
    13,561,902.80/20,376,031.80 = 10,202,670.80/x
  3. Step 3: Cross multiply
    13,561,902.80x = 20,376,031.80 × 10,202,670.80
  4. Step 4: Simplify right side
    13,561,902.80x = 207,889,944,665,731.47
  5. Step 5: Solve for x
    x = 207,889,944,665,731.47/13,561,902.80
  6. Step 6: Final answer
    x = 15,328,965.83

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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.