Home / 8,800,776.90-13,203,498.15-3,120,408.90

Finding the Fourth Proportional to 8,800,776.90, 13,203,498.15 and 3,120,408.90

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Solution

The fourth proportional to 8,800,776.90, 13,203,498.15 and 3,120,408.90 is: 4,681,440.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,800,776.90 : 13,203,498.15 = 3,120,408.90 : x
  2. Step 2: Convert to fraction form
    8,800,776.90/13,203,498.15 = 3,120,408.90/x
  3. Step 3: Cross multiply
    8,800,776.90x = 13,203,498.15 × 3,120,408.90
  4. Step 4: Simplify right side
    8,800,776.90x = 41,200,313,138,393.53
  5. Step 5: Solve for x
    x = 41,200,313,138,393.53/8,800,776.90
  6. Step 6: Final answer
    x = 4,681,440.47

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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.