Home / 7,982,915.40-11,013,297.30-4,921,815.24

Finding the Fourth Proportional to 7,982,915.40, 11,013,297.30 and 4,921,815.24

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Solution

The fourth proportional to 7,982,915.40, 11,013,297.30 and 4,921,815.24 is: 6,790,177.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982,915.40 : 11,013,297.30 = 4,921,815.24 : x
  2. Step 2: Convert to fraction form
    7,982,915.40/11,013,297.30 = 4,921,815.24/x
  3. Step 3: Cross multiply
    7,982,915.40x = 11,013,297.30 × 4,921,815.24
  4. Step 4: Simplify right side
    7,982,915.40x = 54,205,414,493,790.86
  5. Step 5: Solve for x
    x = 54,205,414,493,790.86/7,982,915.40
  6. Step 6: Final answer
    x = 6,790,177.75

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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.