Home / 8,372,571.20-12,558,856.80-8,260,596.80

Finding the Fourth Proportional to 8,372,571.20, 12,558,856.80 and 8,260,596.80

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Solution

The fourth proportional to 8,372,571.20, 12,558,856.80 and 8,260,596.80 is: 12,390,895.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372,571.20 : 12,558,856.80 = 8,260,596.80 : x
  2. Step 2: Convert to fraction form
    8,372,571.20/12,558,856.80 = 8,260,596.80/x
  3. Step 3: Cross multiply
    8,372,571.20x = 12,558,856.80 × 8,260,596.80
  4. Step 4: Simplify right side
    8,372,571.20x = 103,743,652,293,738.25
  5. Step 5: Solve for x
    x = 103,743,652,293,738.25/8,372,571.20
  6. Step 6: Final answer
    x = 12,390,895.20

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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.