Home / 5,811,418.10-8,019,830.78-3,198,223.06

Finding the Fourth Proportional to 5,811,418.10, 8,019,830.78 and 3,198,223.06

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Solution

The fourth proportional to 5,811,418.10, 8,019,830.78 and 3,198,223.06 is: 4,413,588.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811,418.10 : 8,019,830.78 = 3,198,223.06 : x
  2. Step 2: Convert to fraction form
    5,811,418.10/8,019,830.78 = 3,198,223.06/x
  3. Step 3: Cross multiply
    5,811,418.10x = 8,019,830.78 × 3,198,223.06
  4. Step 4: Simplify right side
    5,811,418.10x = 25,649,207,697,794.64
  5. Step 5: Solve for x
    x = 25,649,207,697,794.64/5,811,418.10
  6. Step 6: Final answer
    x = 4,413,588.44

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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.