Home / 12,696,640.89-17,521,467.36-6,895,464.15

Finding the Fourth Proportional to 12,696,640.89, 17,521,467.36 and 6,895,464.15

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Solution

The fourth proportional to 12,696,640.89, 17,521,467.36 and 6,895,464.15 is: 9,515,796.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,696,640.89 : 17,521,467.36 = 6,895,464.15 : x
  2. Step 2: Convert to fraction form
    12,696,640.89/17,521,467.36 = 6,895,464.15/x
  3. Step 3: Cross multiply
    12,696,640.89x = 17,521,467.36 × 6,895,464.15
  4. Step 4: Simplify right side
    12,696,640.89x = 120,818,650,036,275.14
  5. Step 5: Solve for x
    x = 120,818,650,036,275.14/12,696,640.89
  6. Step 6: Final answer
    x = 9,515,796.43

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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.