Home / 8,188,452.58-12,257,484.62-5,342,436.58

Finding the Fourth Proportional to 8,188,452.58, 12,257,484.62 and 5,342,436.58

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Solution

The fourth proportional to 8,188,452.58, 12,257,484.62 and 5,342,436.58 is: 7,997,217.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188,452.58 : 12,257,484.62 = 5,342,436.58 : x
  2. Step 2: Convert to fraction form
    8,188,452.58/12,257,484.62 = 5,342,436.58/x
  3. Step 3: Cross multiply
    8,188,452.58x = 12,257,484.62 × 5,342,436.58
  4. Step 4: Simplify right side
    8,188,452.58x = 65,484,834,212,675.40
  5. Step 5: Solve for x
    x = 65,484,834,212,675.40/8,188,452.58
  6. Step 6: Final answer
    x = 7,997,217.25

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1.5x scale

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.