Home / 9,530,568.15-13,152,285.64-5,179,654.68

Finding the Fourth Proportional to 9,530,568.15, 13,152,285.64 and 5,179,654.68

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Solution

The fourth proportional to 9,530,568.15, 13,152,285.64 and 5,179,654.68 is: 7,147,978.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,530,568.15 : 13,152,285.64 = 5,179,654.68 : x
  2. Step 2: Convert to fraction form
    9,530,568.15/13,152,285.64 = 5,179,654.68/x
  3. Step 3: Cross multiply
    9,530,568.15x = 13,152,285.64 × 5,179,654.68
  4. Step 4: Simplify right side
    9,530,568.15x = 68,124,297,867,922.80
  5. Step 5: Solve for x
    x = 68,124,297,867,922.80/9,530,568.15
  6. Step 6: Final answer
    x = 7,147,978.67

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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.