Home / 5,388,015.90-8,082,023.85-5,199,059.10

Finding the Fourth Proportional to 5,388,015.90, 8,082,023.85 and 5,199,059.10

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Solution

The fourth proportional to 5,388,015.90, 8,082,023.85 and 5,199,059.10 is: 7,798,588.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,015.90 : 8,082,023.85 = 5,199,059.10 : x
  2. Step 2: Convert to fraction form
    5,388,015.90/8,082,023.85 = 5,199,059.10/x
  3. Step 3: Cross multiply
    5,388,015.90x = 8,082,023.85 × 5,199,059.10
  4. Step 4: Simplify right side
    5,388,015.90x = 42,018,919,643,759.53
  5. Step 5: Solve for x
    x = 42,018,919,643,759.53/5,388,015.90
  6. Step 6: Final answer
    x = 7,798,588.65

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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.