Home / 7,998,445.85-11,997,668.78-3,510,721.85

Finding the Fourth Proportional to 7,998,445.85, 11,997,668.78 and 3,510,721.85

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Solution

The fourth proportional to 7,998,445.85, 11,997,668.78 and 3,510,721.85 is: 5,266,082.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998,445.85 : 11,997,668.78 = 3,510,721.85 : x
  2. Step 2: Convert to fraction form
    7,998,445.85/11,997,668.78 = 3,510,721.85/x
  3. Step 3: Cross multiply
    7,998,445.85x = 11,997,668.78 × 3,510,721.85
  4. Step 4: Simplify right side
    7,998,445.85x = 42,120,477,917,455.23
  5. Step 5: Solve for x
    x = 42,120,477,917,455.23/7,998,445.85
  6. Step 6: Final answer
    x = 5,266,082.78

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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.