Home / 8,106,449.52-12,188,841.48-7,474,484.52

Finding the Fourth Proportional to 8,106,449.52, 12,188,841.48 and 7,474,484.52

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Solution

The fourth proportional to 8,106,449.52, 12,188,841.48 and 7,474,484.52 is: 11,238,620.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106,449.52 : 12,188,841.48 = 7,474,484.52 : x
  2. Step 2: Convert to fraction form
    8,106,449.52/12,188,841.48 = 7,474,484.52/x
  3. Step 3: Cross multiply
    8,106,449.52x = 12,188,841.48 × 7,474,484.52
  4. Step 4: Simplify right side
    8,106,449.52x = 91,105,306,958,993.89
  5. Step 5: Solve for x
    x = 91,105,306,958,993.89/8,106,449.52
  6. Step 6: Final answer
    x = 11,238,620.15

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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.