Home / 8,420,466.38-12,628,794.75-3,867,138.05

Finding the Fourth Proportional to 8,420,466.38, 12,628,794.75 and 3,867,138.05

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Solution

The fourth proportional to 8,420,466.38, 12,628,794.75 and 3,867,138.05 is: 5,799,832.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,420,466.38 : 12,628,794.75 = 3,867,138.05 : x
  2. Step 2: Convert to fraction form
    8,420,466.38/12,628,794.75 = 3,867,138.05/x
  3. Step 3: Cross multiply
    8,420,466.38x = 12,628,794.75 × 3,867,138.05
  4. Step 4: Simplify right side
    8,420,466.38x = 48,837,292,625,719.49
  5. Step 5: Solve for x
    x = 48,837,292,625,719.49/8,420,466.38
  6. Step 6: Final answer
    x = 5,799,832.27

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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.