Home / 8,672,328.37-13,003,450.32-3,281,394.56

Finding the Fourth Proportional to 8,672,328.37, 13,003,450.32 and 3,281,394.56

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Solution

The fourth proportional to 8,672,328.37, 13,003,450.32 and 3,281,394.56 is: 4,920,183.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,672,328.37 : 13,003,450.32 = 3,281,394.56 : x
  2. Step 2: Convert to fraction form
    8,672,328.37/13,003,450.32 = 3,281,394.56/x
  3. Step 3: Cross multiply
    8,672,328.37x = 13,003,450.32 × 3,281,394.56
  4. Step 4: Simplify right side
    8,672,328.37x = 42,669,451,121,074.87
  5. Step 5: Solve for x
    x = 42,669,451,121,074.87/8,672,328.37
  6. Step 6: Final answer
    x = 4,920,183.98

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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.