Home / 7,161,647.76-9,864,247.20-5,504,625.90

Finding the Fourth Proportional to 7,161,647.76, 9,864,247.20 and 5,504,625.90

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Solution

The fourth proportional to 7,161,647.76, 9,864,247.20 and 5,504,625.90 is: 7,581,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,647.76 : 9,864,247.20 = 5,504,625.90 : x
  2. Step 2: Convert to fraction form
    7,161,647.76/9,864,247.20 = 5,504,625.90/x
  3. Step 3: Cross multiply
    7,161,647.76x = 9,864,247.20 × 5,504,625.90
  4. Step 4: Simplify right side
    7,161,647.76x = 54,298,990,621,122.48
  5. Step 5: Solve for x
    x = 54,298,990,621,122.48/7,161,647.76
  6. Step 6: Final answer
    x = 7,581,913.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.