Home / 5,388,039.40-8,082,059.10-5,199,082.60

Finding the Fourth Proportional to 5,388,039.40, 8,082,059.10 and 5,199,082.60

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Solution

The fourth proportional to 5,388,039.40, 8,082,059.10 and 5,199,082.60 is: 7,798,623.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,039.40 : 8,082,059.10 = 5,199,082.60 : x
  2. Step 2: Convert to fraction form
    5,388,039.40/8,082,059.10 = 5,199,082.60/x
  3. Step 3: Cross multiply
    5,388,039.40x = 8,082,059.10 × 5,199,082.60
  4. Step 4: Simplify right side
    5,388,039.40x = 42,019,292,838,981.66
  5. Step 5: Solve for x
    x = 42,019,292,838,981.66/5,388,039.40
  6. Step 6: Final answer
    x = 7,798,623.90

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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.