Home / 8,228,276.40-12,342,414.60-5,540,890.80

Finding the Fourth Proportional to 8,228,276.40, 12,342,414.60 and 5,540,890.80

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Solution

The fourth proportional to 8,228,276.40, 12,342,414.60 and 5,540,890.80 is: 8,311,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228,276.40 : 12,342,414.60 = 5,540,890.80 : x
  2. Step 2: Convert to fraction form
    8,228,276.40/12,342,414.60 = 5,540,890.80/x
  3. Step 3: Cross multiply
    8,228,276.40x = 12,342,414.60 × 5,540,890.80
  4. Step 4: Simplify right side
    8,228,276.40x = 68,387,971,506,925.67
  5. Step 5: Solve for x
    x = 68,387,971,506,925.67/8,228,276.40
  6. Step 6: Final answer
    x = 8,311,336.20

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Double scale
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Similar ratio
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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.