Home / 20,281,052.70-30,400,321.41-7,493,401.26

Finding the Fourth Proportional to 20,281,052.70, 30,400,321.41 and 7,493,401.26

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Solution

The fourth proportional to 20,281,052.70, 30,400,321.41 and 7,493,401.26 is: 11,232,247.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,281,052.70 : 30,400,321.41 = 7,493,401.26 : x
  2. Step 2: Convert to fraction form
    20,281,052.70/30,400,321.41 = 7,493,401.26/x
  3. Step 3: Cross multiply
    20,281,052.70x = 30,400,321.41 × 7,493,401.26
  4. Step 4: Simplify right side
    20,281,052.70x = 227,801,806,758,098.97
  5. Step 5: Solve for x
    x = 227,801,806,758,098.97/20,281,052.70
  6. Step 6: Final answer
    x = 11,232,247.66

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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.