Home / 13,494,900.90-20,236,446.45-5,405,187.90

Finding the Fourth Proportional to 13,494,900.90, 20,236,446.45 and 5,405,187.90

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Solution

The fourth proportional to 13,494,900.90, 20,236,446.45 and 5,405,187.90 is: 8,105,416.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494,900.90 : 20,236,446.45 = 5,405,187.90 : x
  2. Step 2: Convert to fraction form
    13,494,900.90/20,236,446.45 = 5,405,187.90/x
  3. Step 3: Cross multiply
    13,494,900.90x = 20,236,446.45 × 5,405,187.90
  4. Step 4: Simplify right side
    13,494,900.90x = 109,381,795,490,537.95
  5. Step 5: Solve for x
    x = 109,381,795,490,537.95/13,494,900.90
  6. Step 6: Final answer
    x = 8,105,416.73

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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.