Home / 7,822,500.28-11,733,759.80-2,142,773.56

Finding the Fourth Proportional to 7,822,500.28, 11,733,759.80 and 2,142,773.56

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Solution

The fourth proportional to 7,822,500.28, 11,733,759.80 and 2,142,773.56 is: 3,214,162.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822,500.28 : 11,733,759.80 = 2,142,773.56 : x
  2. Step 2: Convert to fraction form
    7,822,500.28/11,733,759.80 = 2,142,773.56/x
  3. Step 3: Cross multiply
    7,822,500.28x = 11,733,759.80 × 2,142,773.56
  4. Step 4: Simplify right side
    7,822,500.28x = 25,142,790,258,830.89
  5. Step 5: Solve for x
    x = 25,142,790,258,830.89/7,822,500.28
  6. Step 6: Final answer
    x = 3,214,162.91

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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.