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Finding the Fourth Proportional to 8,992,382.04, 12,408,737.04 and 5,071,922.12

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Solution

The fourth proportional to 8,992,382.04, 12,408,737.04 and 5,071,922.12 is: 6,998,829.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992,382.04 : 12,408,737.04 = 5,071,922.12 : x
  2. Step 2: Convert to fraction form
    8,992,382.04/12,408,737.04 = 5,071,922.12/x
  3. Step 3: Cross multiply
    8,992,382.04x = 12,408,737.04 × 5,071,922.12
  4. Step 4: Simplify right side
    8,992,382.04x = 62,936,147,874,439.32
  5. Step 5: Solve for x
    x = 62,936,147,874,439.32/8,992,382.04
  6. Step 6: Final answer
    x = 6,998,829.41

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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.