Home / 8,002,687.78-11,043,709.62-4,381,015.78

Finding the Fourth Proportional to 8,002,687.78, 11,043,709.62 and 4,381,015.78

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Solution

The fourth proportional to 8,002,687.78, 11,043,709.62 and 4,381,015.78 is: 6,045,802.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,002,687.78 : 11,043,709.62 = 4,381,015.78 : x
  2. Step 2: Convert to fraction form
    8,002,687.78/11,043,709.62 = 4,381,015.78/x
  3. Step 3: Cross multiply
    8,002,687.78x = 11,043,709.62 × 4,381,015.78
  4. Step 4: Simplify right side
    8,002,687.78x = 48,382,666,114,957.80
  5. Step 5: Solve for x
    x = 48,382,666,114,957.80/8,002,687.78
  6. Step 6: Final answer
    x = 6,045,802.04

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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.