Home / 15,083,159.14-20,815,230.03-8,557,063.66

Finding the Fourth Proportional to 15,083,159.14, 20,815,230.03 and 8,557,063.66

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Solution

The fourth proportional to 15,083,159.14, 20,815,230.03 and 8,557,063.66 is: 11,809,014.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,083,159.14 : 20,815,230.03 = 8,557,063.66 : x
  2. Step 2: Convert to fraction form
    15,083,159.14/20,815,230.03 = 8,557,063.66/x
  3. Step 3: Cross multiply
    15,083,159.14x = 20,815,230.03 × 8,557,063.66
  4. Step 4: Simplify right side
    15,083,159.14x = 178,117,248,360,177.56
  5. Step 5: Solve for x
    x = 178,117,248,360,177.56/15,083,159.14
  6. Step 6: Final answer
    x = 11,809,014.73

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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.