Home / 6,991,146.53-10,486,720.55-2,133,478.49

Finding the Fourth Proportional to 6,991,146.53, 10,486,720.55 and 2,133,478.49

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Solution

The fourth proportional to 6,991,146.53, 10,486,720.55 and 2,133,478.49 is: 3,200,217.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991,146.53 : 10,486,720.55 = 2,133,478.49 : x
  2. Step 2: Convert to fraction form
    6,991,146.53/10,486,720.55 = 2,133,478.49/x
  3. Step 3: Cross multiply
    6,991,146.53x = 10,486,720.55 × 2,133,478.49
  4. Step 4: Simplify right side
    6,991,146.53x = 22,373,192,726,952.72
  5. Step 5: Solve for x
    x = 22,373,192,726,952.72/6,991,146.53
  6. Step 6: Final answer
    x = 3,200,217.97

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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.