Home / 12,696,729.82-17,521,590.03-6,895,553.05

Finding the Fourth Proportional to 12,696,729.82, 17,521,590.03 and 6,895,553.05

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Solution

The fourth proportional to 12,696,729.82, 17,521,590.03 and 6,895,553.05 is: 9,515,919.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,696,729.82 : 17,521,590.03 = 6,895,553.05 : x
  2. Step 2: Convert to fraction form
    12,696,729.82/17,521,590.03 = 6,895,553.05/x
  3. Step 3: Cross multiply
    12,696,729.82x = 17,521,590.03 × 6,895,553.05
  4. Step 4: Simplify right side
    12,696,729.82x = 120,821,053,572,216.09
  5. Step 5: Solve for x
    x = 120,821,053,572,216.09/12,696,729.82
  6. Step 6: Final answer
    x = 9,515,919.08

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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.