Home / 5,388,057.20-8,082,085.80-4,431,463.40

Finding the Fourth Proportional to 5,388,057.20, 8,082,085.80 and 4,431,463.40

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Solution

The fourth proportional to 5,388,057.20, 8,082,085.80 and 4,431,463.40 is: 6,647,195.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,057.20 : 8,082,085.80 = 4,431,463.40 : x
  2. Step 2: Convert to fraction form
    5,388,057.20/8,082,085.80 = 4,431,463.40/x
  3. Step 3: Cross multiply
    5,388,057.20x = 8,082,085.80 × 4,431,463.40
  4. Step 4: Simplify right side
    5,388,057.20x = 35,815,467,418,359.72
  5. Step 5: Solve for x
    x = 35,815,467,418,359.72/5,388,057.20
  6. Step 6: Final answer
    x = 6,647,195.10

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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.