Home / 34,131,687.78-47,101,733.13-18,661,782.90

Finding the Fourth Proportional to 34,131,687.78, 47,101,733.13 and 18,661,782.90

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Solution

The fourth proportional to 34,131,687.78, 47,101,733.13 and 18,661,782.90 is: 25,753,262.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,131,687.78 : 47,101,733.13 = 18,661,782.90 : x
  2. Step 2: Convert to fraction form
    34,131,687.78/47,101,733.13 = 18,661,782.90/x
  3. Step 3: Cross multiply
    34,131,687.78x = 47,101,733.13 × 18,661,782.90
  4. Step 4: Simplify right side
    34,131,687.78x = 879,002,317,885,797.50
  5. Step 5: Solve for x
    x = 879,002,317,885,797.50/34,131,687.78
  6. Step 6: Final answer
    x = 25,753,262.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.