Home / 20,744,948.66-31,122,048.56-6,369,469.61

Finding the Fourth Proportional to 20,744,948.66, 31,122,048.56 and 6,369,469.61

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Solution

The fourth proportional to 20,744,948.66, 31,122,048.56 and 6,369,469.61 is: 9,555,624.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,744,948.66 : 31,122,048.56 = 6,369,469.61 : x
  2. Step 2: Convert to fraction form
    20,744,948.66/31,122,048.56 = 6,369,469.61/x
  3. Step 3: Cross multiply
    20,744,948.66x = 31,122,048.56 × 6,369,469.61
  4. Step 4: Simplify right side
    20,744,948.66x = 198,230,942,316,406.69
  5. Step 5: Solve for x
    x = 198,230,942,316,406.69/20,744,948.66
  6. Step 6: Final answer
    x = 9,555,624.63

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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.