Home / 7,857,992.12-11,786,991.39-3,534,992.88

Finding the Fourth Proportional to 7,857,992.12, 11,786,991.39 and 3,534,992.88

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Solution

The fourth proportional to 7,857,992.12, 11,786,991.39 and 3,534,992.88 is: 5,302,490.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,857,992.12 : 11,786,991.39 = 3,534,992.88 : x
  2. Step 2: Convert to fraction form
    7,857,992.12/11,786,991.39 = 3,534,992.88/x
  3. Step 3: Cross multiply
    7,857,992.12x = 11,786,991.39 × 3,534,992.88
  4. Step 4: Simplify right side
    7,857,992.12x = 41,666,930,640,271.30
  5. Step 5: Solve for x
    x = 41,666,930,640,271.30/7,857,992.12
  6. Step 6: Final answer
    x = 5,302,490.77

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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.