Home / 8,978,574.35-13,467,861.68-2,155,147.53

Finding the Fourth Proportional to 8,978,574.35, 13,467,861.68 and 2,155,147.53

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Solution

The fourth proportional to 8,978,574.35, 13,467,861.68 and 2,155,147.53 is: 3,232,721.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,978,574.35 : 13,467,861.68 = 2,155,147.53 : x
  2. Step 2: Convert to fraction form
    8,978,574.35/13,467,861.68 = 2,155,147.53/x
  3. Step 3: Cross multiply
    8,978,574.35x = 13,467,861.68 × 2,155,147.53
  4. Step 4: Simplify right side
    8,978,574.35x = 29,025,228,823,257.91
  5. Step 5: Solve for x
    x = 29,025,228,823,257.91/8,978,574.35
  6. Step 6: Final answer
    x = 3,232,721.33

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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.