Home / 12,122,603.97-16,729,583.82-6,895,478.13

Finding the Fourth Proportional to 12,122,603.97, 16,729,583.82 and 6,895,478.13

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Solution

The fourth proportional to 12,122,603.97, 16,729,583.82 and 6,895,478.13 is: 9,515,981.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,122,603.97 : 16,729,583.82 = 6,895,478.13 : x
  2. Step 2: Convert to fraction form
    12,122,603.97/16,729,583.82 = 6,895,478.13/x
  3. Step 3: Cross multiply
    12,122,603.97x = 16,729,583.82 × 6,895,478.13
  4. Step 4: Simplify right side
    12,122,603.97x = 115,358,479,354,811.86
  5. Step 5: Solve for x
    x = 115,358,479,354,811.86/12,122,603.97
  6. Step 6: Final answer
    x = 9,515,981.85

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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.