Home / 12,226,620.63-16,872,771.83-6,720,559.67

Finding the Fourth Proportional to 12,226,620.63, 16,872,771.83 and 6,720,559.67

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Solution

The fourth proportional to 12,226,620.63, 16,872,771.83 and 6,720,559.67 is: 9,274,391.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226,620.63 : 16,872,771.83 = 6,720,559.67 : x
  2. Step 2: Convert to fraction form
    12,226,620.63/16,872,771.83 = 6,720,559.67/x
  3. Step 3: Cross multiply
    12,226,620.63x = 16,872,771.83 × 6,720,559.67
  4. Step 4: Simplify right side
    12,226,620.63x = 113,394,469,890,389.23
  5. Step 5: Solve for x
    x = 113,394,469,890,389.23/12,226,620.63
  6. Step 6: Final answer
    x = 9,274,391.78

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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.