Home / 8,313,036.80-12,469,555.20-8,064,204.80

Finding the Fourth Proportional to 8,313,036.80, 12,469,555.20 and 8,064,204.80

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Solution

The fourth proportional to 8,313,036.80, 12,469,555.20 and 8,064,204.80 is: 12,096,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313,036.80 : 12,469,555.20 = 8,064,204.80 : x
  2. Step 2: Convert to fraction form
    8,313,036.80/12,469,555.20 = 8,064,204.80/x
  3. Step 3: Cross multiply
    8,313,036.80x = 12,469,555.20 × 8,064,204.80
  4. Step 4: Simplify right side
    8,313,036.80x = 100,557,046,897,704.95
  5. Step 5: Solve for x
    x = 100,557,046,897,704.95/8,313,036.80
  6. Step 6: Final answer
    x = 12,096,307.20

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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.