Home / 12,198,218.36-16,833,671.28-6,691,603.86

Finding the Fourth Proportional to 12,198,218.36, 16,833,671.28 and 6,691,603.86

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Solution

The fourth proportional to 12,198,218.36, 16,833,671.28 and 6,691,603.86 is: 9,234,484.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198,218.36 : 16,833,671.28 = 6,691,603.86 : x
  2. Step 2: Convert to fraction form
    12,198,218.36/16,833,671.28 = 6,691,603.86/x
  3. Step 3: Cross multiply
    12,198,218.36x = 16,833,671.28 × 6,691,603.86
  4. Step 4: Simplify right side
    12,198,218.36x = 112,644,259,715,219.16
  5. Step 5: Solve for x
    x = 112,644,259,715,219.16/12,198,218.36
  6. Step 6: Final answer
    x = 9,234,484.61

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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.