Home / 8,122,601.70-12,183,902.55-6,847,143.30

Finding the Fourth Proportional to 8,122,601.70, 12,183,902.55 and 6,847,143.30

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Solution

The fourth proportional to 8,122,601.70, 12,183,902.55 and 6,847,143.30 is: 10,270,714.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122,601.70 : 12,183,902.55 = 6,847,143.30 : x
  2. Step 2: Convert to fraction form
    8,122,601.70/12,183,902.55 = 6,847,143.30/x
  3. Step 3: Cross multiply
    8,122,601.70x = 12,183,902.55 × 6,847,143.30
  4. Step 4: Simplify right side
    8,122,601.70x = 83,424,926,713,085.42
  5. Step 5: Solve for x
    x = 83,424,926,713,085.42/8,122,601.70
  6. Step 6: Final answer
    x = 10,270,714.95

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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.