Home / 8,201,601.70-12,302,402.55-3,407,697.70

Finding the Fourth Proportional to 8,201,601.70, 12,302,402.55 and 3,407,697.70

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Solution

The fourth proportional to 8,201,601.70, 12,302,402.55 and 3,407,697.70 is: 5,111,546.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201,601.70 : 12,302,402.55 = 3,407,697.70 : x
  2. Step 2: Convert to fraction form
    8,201,601.70/12,302,402.55 = 3,407,697.70/x
  3. Step 3: Cross multiply
    8,201,601.70x = 12,302,402.55 × 3,407,697.70
  4. Step 4: Simplify right side
    8,201,601.70x = 41,922,868,874,109.14
  5. Step 5: Solve for x
    x = 41,922,868,874,109.14/8,201,601.70
  6. Step 6: Final answer
    x = 5,111,546.55

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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.