Home / 31,776,147.21-43,849,791.95-18,024,816.09

Finding the Fourth Proportional to 31,776,147.21, 43,849,791.95 and 18,024,816.09

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Solution

The fourth proportional to 31,776,147.21, 43,849,791.95 and 18,024,816.09 is: 24,873,513.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,776,147.21 : 43,849,791.95 = 18,024,816.09 : x
  2. Step 2: Convert to fraction form
    31,776,147.21/43,849,791.95 = 18,024,816.09/x
  3. Step 3: Cross multiply
    31,776,147.21x = 43,849,791.95 × 18,024,816.09
  4. Step 4: Simplify right side
    31,776,147.21x = 790,384,435,393,388.38
  5. Step 5: Solve for x
    x = 790,384,435,393,388.38/31,776,147.21
  6. Step 6: Final answer
    x = 24,873,513.78

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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.