Home / 14,697,912.52-20,284,796.82-8,172,189.64

Finding the Fourth Proportional to 14,697,912.52, 20,284,796.82 and 8,172,189.64

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Solution

The fourth proportional to 14,697,912.52, 20,284,796.82 and 8,172,189.64 is: 11,278,554.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,697,912.52 : 20,284,796.82 = 8,172,189.64 : x
  2. Step 2: Convert to fraction form
    14,697,912.52/20,284,796.82 = 8,172,189.64/x
  3. Step 3: Cross multiply
    14,697,912.52x = 20,284,796.82 × 8,172,189.64
  4. Step 4: Simplify right side
    14,697,912.52x = 165,771,206,421,908.94
  5. Step 5: Solve for x
    x = 165,771,206,421,908.94/14,697,912.52
  6. Step 6: Final answer
    x = 11,278,554.43

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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.