Home / 13,481,353.90-20,222,030.85-8,946,390.70

Finding the Fourth Proportional to 13,481,353.90, 20,222,030.85 and 8,946,390.70

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Solution

The fourth proportional to 13,481,353.90, 20,222,030.85 and 8,946,390.70 is: 13,419,586.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,481,353.90 : 20,222,030.85 = 8,946,390.70 : x
  2. Step 2: Convert to fraction form
    13,481,353.90/20,222,030.85 = 8,946,390.70/x
  3. Step 3: Cross multiply
    13,481,353.90x = 20,222,030.85 × 8,946,390.70
  4. Step 4: Simplify right side
    13,481,353.90x = 180,914,188,731,553.09
  5. Step 5: Solve for x
    x = 180,914,188,731,553.09/13,481,353.90
  6. Step 6: Final answer
    x = 13,419,586.05

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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.