Home / 8,290,770.29-12,440,007.46-3,171,508.01

Finding the Fourth Proportional to 8,290,770.29, 12,440,007.46 and 3,171,508.01

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Solution

The fourth proportional to 8,290,770.29, 12,440,007.46 and 3,171,508.01 is: 4,758,735.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290,770.29 : 12,440,007.46 = 3,171,508.01 : x
  2. Step 2: Convert to fraction form
    8,290,770.29/12,440,007.46 = 3,171,508.01/x
  3. Step 3: Cross multiply
    8,290,770.29x = 12,440,007.46 × 3,171,508.01
  4. Step 4: Simplify right side
    8,290,770.29x = 39,453,583,263,618.73
  5. Step 5: Solve for x
    x = 39,453,583,263,618.73/8,290,770.29
  6. Step 6: Final answer
    x = 4,758,735.54

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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.