Home / 12,696,729.32-17,521,589.34-6,895,552.55

Finding the Fourth Proportional to 12,696,729.32, 17,521,589.34 and 6,895,552.55

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Solution

The fourth proportional to 12,696,729.32, 17,521,589.34 and 6,895,552.55 is: 9,515,918.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,696,729.32 : 17,521,589.34 = 6,895,552.55 : x
  2. Step 2: Convert to fraction form
    12,696,729.32/17,521,589.34 = 6,895,552.55/x
  3. Step 3: Cross multiply
    12,696,729.32x = 17,521,589.34 × 6,895,552.55
  4. Step 4: Simplify right side
    12,696,729.32x = 120,821,040,053,489.81
  5. Step 5: Solve for x
    x = 120,821,040,053,489.81/12,696,729.32
  6. Step 6: Final answer
    x = 9,515,918.39

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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.