Home / 20,351,826.11-30,528,902.90-5,777,605.67

Finding the Fourth Proportional to 20,351,826.11, 30,528,902.90 and 5,777,605.67

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Solution

The fourth proportional to 20,351,826.11, 30,528,902.90 and 5,777,605.67 is: 8,666,738.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,351,826.11 : 30,528,902.90 = 5,777,605.67 : x
  2. Step 2: Convert to fraction form
    20,351,826.11/30,528,902.90 = 5,777,605.67/x
  3. Step 3: Cross multiply
    20,351,826.11x = 30,528,902.90 × 5,777,605.67
  4. Step 4: Simplify right side
    20,351,826.11x = 176,383,962,355,718.94
  5. Step 5: Solve for x
    x = 176,383,962,355,718.94/20,351,826.11
  6. Step 6: Final answer
    x = 8,666,738.87

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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.