Home / 31,541,709.20-47,309,064.60-8,824,902.80

Finding the Fourth Proportional to 31,541,709.20, 47,309,064.60 and 8,824,902.80

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Solution

The fourth proportional to 31,541,709.20, 47,309,064.60 and 8,824,902.80 is: 13,236,375.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,541,709.20 : 47,309,064.60 = 8,824,902.80 : x
  2. Step 2: Convert to fraction form
    31,541,709.20/47,309,064.60 = 8,824,902.80/x
  3. Step 3: Cross multiply
    31,541,709.20x = 47,309,064.60 × 8,824,902.80
  4. Step 4: Simplify right side
    31,541,709.20x = 417,497,896,653,920.94
  5. Step 5: Solve for x
    x = 417,497,896,653,920.94/31,541,709.20
  6. Step 6: Final answer
    x = 13,236,375.18

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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.