Home / 11,639,013.53-16,061,205.89-6,411,002.78

Finding the Fourth Proportional to 11,639,013.53, 16,061,205.89 and 6,411,002.78

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Solution

The fourth proportional to 11,639,013.53, 16,061,205.89 and 6,411,002.78 is: 8,846,835.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639,013.53 : 16,061,205.89 = 6,411,002.78 : x
  2. Step 2: Convert to fraction form
    11,639,013.53/16,061,205.89 = 6,411,002.78/x
  3. Step 3: Cross multiply
    11,639,013.53x = 16,061,205.89 × 6,411,002.78
  4. Step 4: Simplify right side
    11,639,013.53x = 102,968,435,667,122.89
  5. Step 5: Solve for x
    x = 102,968,435,667,122.89/11,639,013.53
  6. Step 6: Final answer
    x = 8,846,835.30

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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.