Home / 14,906,964.12-20,571,486.72-8,380,622.64

Finding the Fourth Proportional to 14,906,964.12, 20,571,486.72 and 8,380,622.64

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Solution

The fourth proportional to 14,906,964.12, 20,571,486.72 and 8,380,622.64 is: 11,565,189.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,906,964.12 : 20,571,486.72 = 8,380,622.64 : x
  2. Step 2: Convert to fraction form
    14,906,964.12/20,571,486.72 = 8,380,622.64/x
  3. Step 3: Cross multiply
    14,906,964.12x = 20,571,486.72 × 8,380,622.64
  4. Step 4: Simplify right side
    14,906,964.12x = 172,401,867,344,091.31
  5. Step 5: Solve for x
    x = 172,401,867,344,091.31/14,906,964.12
  6. Step 6: Final answer
    x = 11,565,189.66

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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.