Home / 13,377,773.70-20,066,660.55-7,000,481.70

Finding the Fourth Proportional to 13,377,773.70, 20,066,660.55 and 7,000,481.70

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Solution

The fourth proportional to 13,377,773.70, 20,066,660.55 and 7,000,481.70 is: 10,500,722.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,377,773.70 : 20,066,660.55 = 7,000,481.70 : x
  2. Step 2: Convert to fraction form
    13,377,773.70/20,066,660.55 = 7,000,481.70/x
  3. Step 3: Cross multiply
    13,377,773.70x = 20,066,660.55 × 7,000,481.70
  4. Step 4: Simplify right side
    13,377,773.70x = 140,476,289,960,386.94
  5. Step 5: Solve for x
    x = 140,476,289,960,386.94/13,377,773.70
  6. Step 6: Final answer
    x = 10,500,722.55

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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.