Home / 21,867,978.17-30,177,605.87-11,944,857.06

Finding the Fourth Proportional to 21,867,978.17, 30,177,605.87 and 11,944,857.06

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Solution

The fourth proportional to 21,867,978.17, 30,177,605.87 and 11,944,857.06 is: 16,483,791.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,867,978.17 : 30,177,605.87 = 11,944,857.06 : x
  2. Step 2: Convert to fraction form
    21,867,978.17/30,177,605.87 = 11,944,857.06/x
  3. Step 3: Cross multiply
    21,867,978.17x = 30,177,605.87 × 11,944,857.06
  4. Step 4: Simplify right side
    21,867,978.17x = 360,467,188,545,098
  5. Step 5: Solve for x
    x = 360,467,188,545,098/21,867,978.17
  6. Step 6: Final answer
    x = 16,483,791.31

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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.