Home / 20,996,927.15-28,975,759.22-11,339,135.15

Finding the Fourth Proportional to 20,996,927.15, 28,975,759.22 and 11,339,135.15

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Solution

The fourth proportional to 20,996,927.15, 28,975,759.22 and 11,339,135.15 is: 15,648,006.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,996,927.15 : 28,975,759.22 = 11,339,135.15 : x
  2. Step 2: Convert to fraction form
    20,996,927.15/28,975,759.22 = 11,339,135.15/x
  3. Step 3: Cross multiply
    20,996,927.15x = 28,975,759.22 × 11,339,135.15
  4. Step 4: Simplify right side
    20,996,927.15x = 328,560,049,752,907.62
  5. Step 5: Solve for x
    x = 328,560,049,752,907.62/20,996,927.15
  6. Step 6: Final answer
    x = 15,648,006.37

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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.