Home / 8,170,931.26-11,267,522.31-5,416,660.54

Finding the Fourth Proportional to 8,170,931.26, 11,267,522.31 and 5,416,660.54

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Solution

The fourth proportional to 8,170,931.26, 11,267,522.31 and 5,416,660.54 is: 7,469,447.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170,931.26 : 11,267,522.31 = 5,416,660.54 : x
  2. Step 2: Convert to fraction form
    8,170,931.26/11,267,522.31 = 5,416,660.54/x
  3. Step 3: Cross multiply
    8,170,931.26x = 11,267,522.31 × 5,416,660.54
  4. Step 4: Simplify right side
    8,170,931.26x = 61,032,343,480,146.65
  5. Step 5: Solve for x
    x = 61,032,343,480,146.65/8,170,931.26
  6. Step 6: Final answer
    x = 7,469,447.67

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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.