Home / 13,393,431.33-20,093,520.21-3,808,809.87

Finding the Fourth Proportional to 13,393,431.33, 20,093,520.21 and 3,808,809.87

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Solution

The fourth proportional to 13,393,431.33, 20,093,520.21 and 3,808,809.87 is: 5,714,174.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,393,431.33 : 20,093,520.21 = 3,808,809.87 : x
  2. Step 2: Convert to fraction form
    13,393,431.33/20,093,520.21 = 3,808,809.87/x
  3. Step 3: Cross multiply
    13,393,431.33x = 20,093,520.21 × 3,808,809.87
  4. Step 4: Simplify right side
    13,393,431.33x = 76,532,398,098,892.48
  5. Step 5: Solve for x
    x = 76,532,398,098,892.48/13,393,431.33
  6. Step 6: Final answer
    x = 5,714,174.08

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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.