Home / 11,821,989.64-16,314,019.86-6,665,306.44

Finding the Fourth Proportional to 11,821,989.64, 16,314,019.86 and 6,665,306.44

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Solution

The fourth proportional to 11,821,989.64, 16,314,019.86 and 6,665,306.44 is: 9,197,939.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821,989.64 : 16,314,019.86 = 6,665,306.44 : x
  2. Step 2: Convert to fraction form
    11,821,989.64/16,314,019.86 = 6,665,306.44/x
  3. Step 3: Cross multiply
    11,821,989.64x = 16,314,019.86 × 6,665,306.44
  4. Step 4: Simplify right side
    11,821,989.64x = 108,737,941,635,145.91
  5. Step 5: Solve for x
    x = 108,737,941,635,145.91/11,821,989.64
  6. Step 6: Final answer
    x = 9,197,939.17

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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.