Home / 20,135,190.89-30,204,526.10-5,562,105.29

Finding the Fourth Proportional to 20,135,190.89, 30,204,526.10 and 5,562,105.29

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Solution

The fourth proportional to 20,135,190.89, 30,204,526.10 and 5,562,105.29 is: 8,343,638.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,135,190.89 : 30,204,526.10 = 5,562,105.29 : x
  2. Step 2: Convert to fraction form
    20,135,190.89/30,204,526.10 = 5,562,105.29/x
  3. Step 3: Cross multiply
    20,135,190.89x = 30,204,526.10 × 5,562,105.29
  4. Step 4: Simplify right side
    20,135,190.89x = 168,000,754,429,954.41
  5. Step 5: Solve for x
    x = 168,000,754,429,954.41/20,135,190.89
  6. Step 6: Final answer
    x = 8,343,638.53

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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.