Home / 9,176,761.53-12,645,247.91-7,099,154.73

Finding the Fourth Proportional to 9,176,761.53, 12,645,247.91 and 7,099,154.73

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Solution

The fourth proportional to 9,176,761.53, 12,645,247.91 and 7,099,154.73 is: 9,782,380.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176,761.53 : 12,645,247.91 = 7,099,154.73 : x
  2. Step 2: Convert to fraction form
    9,176,761.53/12,645,247.91 = 7,099,154.73/x
  3. Step 3: Cross multiply
    9,176,761.53x = 12,645,247.91 × 7,099,154.73
  4. Step 4: Simplify right side
    9,176,761.53x = 89,770,571,476,803.34
  5. Step 5: Solve for x
    x = 89,770,571,476,803.34/9,176,761.53
  6. Step 6: Final answer
    x = 9,782,380.33

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1.5x scale

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.