Home / 15,342,003.75-21,172,473.54-8,373,062.64

Finding the Fourth Proportional to 15,342,003.75, 21,172,473.54 and 8,373,062.64

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Solution

The fourth proportional to 15,342,003.75, 21,172,473.54 and 8,373,062.64 is: 11,555,103.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,342,003.75 : 21,172,473.54 = 8,373,062.64 : x
  2. Step 2: Convert to fraction form
    15,342,003.75/21,172,473.54 = 8,373,062.64/x
  3. Step 3: Cross multiply
    15,342,003.75x = 21,172,473.54 × 8,373,062.64
  4. Step 4: Simplify right side
    15,342,003.75x = 177,278,447,194,162.53
  5. Step 5: Solve for x
    x = 177,278,447,194,162.53/15,342,003.75
  6. Step 6: Final answer
    x = 11,555,103.89

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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.