Home / 9,857,725.20-14,785,205.40-3,126,819.60

Finding the Fourth Proportional to 9,857,725.20, 14,785,205.40 and 3,126,819.60

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Solution

The fourth proportional to 9,857,725.20, 14,785,205.40 and 3,126,819.60 is: 4,689,790.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,857,725.20 : 14,785,205.40 = 3,126,819.60 : x
  2. Step 2: Convert to fraction form
    9,857,725.20/14,785,205.40 = 3,126,819.60/x
  3. Step 3: Cross multiply
    9,857,725.20x = 14,785,205.40 × 3,126,819.60
  4. Step 4: Simplify right side
    9,857,725.20x = 46,230,670,034,745.84
  5. Step 5: Solve for x
    x = 46,230,670,034,745.84/9,857,725.20
  6. Step 6: Final answer
    x = 4,689,790.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.