Home / 12,696,640.67-17,521,467.08-6,895,463.94

Finding the Fourth Proportional to 12,696,640.67, 17,521,467.08 and 6,895,463.94

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Solution

The fourth proportional to 12,696,640.67, 17,521,467.08 and 6,895,463.94 is: 9,515,796.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,696,640.67 : 17,521,467.08 = 6,895,463.94 : x
  2. Step 2: Convert to fraction form
    12,696,640.67/17,521,467.08 = 6,895,463.94/x
  3. Step 3: Cross multiply
    12,696,640.67x = 17,521,467.08 × 6,895,463.94
  4. Step 4: Simplify right side
    12,696,640.67x = 120,818,644,391,559.78
  5. Step 5: Solve for x
    x = 120,818,644,391,559.78/12,696,640.67
  6. Step 6: Final answer
    x = 9,515,796.15

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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.