Home / 17,238,072.30-25,857,108.45-7,643,265.90

Finding the Fourth Proportional to 17,238,072.30, 25,857,108.45 and 7,643,265.90

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Solution

The fourth proportional to 17,238,072.30, 25,857,108.45 and 7,643,265.90 is: 11,464,898.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,238,072.30 : 25,857,108.45 = 7,643,265.90 : x
  2. Step 2: Convert to fraction form
    17,238,072.30/25,857,108.45 = 7,643,265.90/x
  3. Step 3: Cross multiply
    17,238,072.30x = 25,857,108.45 × 7,643,265.90
  4. Step 4: Simplify right side
    17,238,072.30x = 197,632,755,288,486.84
  5. Step 5: Solve for x
    x = 197,632,755,288,486.84/17,238,072.30
  6. Step 6: Final answer
    x = 11,464,898.85

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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.