Home / 13,375,961.21-20,057,621.58-5,182,441.92

Finding the Fourth Proportional to 13,375,961.21, 20,057,621.58 and 5,182,441.92

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Solution

The fourth proportional to 13,375,961.21, 20,057,621.58 and 5,182,441.92 is: 7,771,214.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375,961.21 : 20,057,621.58 = 5,182,441.92 : x
  2. Step 2: Convert to fraction form
    13,375,961.21/20,057,621.58 = 5,182,441.92/x
  3. Step 3: Cross multiply
    13,375,961.21x = 20,057,621.58 × 5,182,441.92
  4. Step 4: Simplify right side
    13,375,961.21x = 103,947,458,891,688.62
  5. Step 5: Solve for x
    x = 103,947,458,891,688.62/13,375,961.21
  6. Step 6: Final answer
    x = 7,771,214.14

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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.