Home / 11,821,988.64-16,314,018.48-6,665,305.44

Finding the Fourth Proportional to 11,821,988.64, 16,314,018.48 and 6,665,305.44

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Solution

The fourth proportional to 11,821,988.64, 16,314,018.48 and 6,665,305.44 is: 9,197,937.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821,988.64 : 16,314,018.48 = 6,665,305.44 : x
  2. Step 2: Convert to fraction form
    11,821,988.64/16,314,018.48 = 6,665,305.44/x
  3. Step 3: Cross multiply
    11,821,988.64x = 16,314,018.48 × 6,665,305.44
  4. Step 4: Simplify right side
    11,821,988.64x = 108,737,916,123,004.55
  5. Step 5: Solve for x
    x = 108,737,916,123,004.55/11,821,988.64
  6. Step 6: Final answer
    x = 9,197,937.79

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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.