Home / 8,500,098.60-12,750,147.90-5,476,789.80

Finding the Fourth Proportional to 8,500,098.60, 12,750,147.90 and 5,476,789.80

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Solution

The fourth proportional to 8,500,098.60, 12,750,147.90 and 5,476,789.80 is: 8,215,184.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500,098.60 : 12,750,147.90 = 5,476,789.80 : x
  2. Step 2: Convert to fraction form
    8,500,098.60/12,750,147.90 = 5,476,789.80/x
  3. Step 3: Cross multiply
    8,500,098.60x = 12,750,147.90 × 5,476,789.80
  4. Step 4: Simplify right side
    8,500,098.60x = 69,829,879,967,211.42
  5. Step 5: Solve for x
    x = 69,829,879,967,211.42/8,500,098.60
  6. Step 6: Final answer
    x = 8,215,184.70

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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.