Home / 10,778,857.70-16,168,286.55-7,377,635.30

Finding the Fourth Proportional to 10,778,857.70, 16,168,286.55 and 7,377,635.30

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Solution

The fourth proportional to 10,778,857.70, 16,168,286.55 and 7,377,635.30 is: 11,066,452.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778,857.70 : 16,168,286.55 = 7,377,635.30 : x
  2. Step 2: Convert to fraction form
    10,778,857.70/16,168,286.55 = 7,377,635.30/x
  3. Step 3: Cross multiply
    10,778,857.70x = 16,168,286.55 × 7,377,635.30
  4. Step 4: Simplify right side
    10,778,857.70x = 119,283,721,591,795.22
  5. Step 5: Solve for x
    x = 119,283,721,591,795.22/10,778,857.70
  6. Step 6: Final answer
    x = 11,066,452.95

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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.