Home / 12,156,983.64-16,757,172.54-8,235,546.84

Finding the Fourth Proportional to 12,156,983.64, 16,757,172.54 and 8,235,546.84

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Solution

The fourth proportional to 12,156,983.64, 16,757,172.54 and 8,235,546.84 is: 11,351,868.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,156,983.64 : 16,757,172.54 = 8,235,546.84 : x
  2. Step 2: Convert to fraction form
    12,156,983.64/16,757,172.54 = 8,235,546.84/x
  3. Step 3: Cross multiply
    12,156,983.64x = 16,757,172.54 × 8,235,546.84
  4. Step 4: Simplify right side
    12,156,983.64x = 138,004,479,359,131.77
  5. Step 5: Solve for x
    x = 138,004,479,359,131.77/12,156,983.64
  6. Step 6: Final answer
    x = 11,351,868.48

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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.