Home / 22,503,781.54-31,055,313.68-12,190,504.63

Finding the Fourth Proportional to 22,503,781.54, 31,055,313.68 and 12,190,504.63

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Solution

The fourth proportional to 22,503,781.54, 31,055,313.68 and 12,190,504.63 is: 16,822,947.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,503,781.54 : 31,055,313.68 = 12,190,504.63 : x
  2. Step 2: Convert to fraction form
    22,503,781.54/31,055,313.68 = 12,190,504.63/x
  3. Step 3: Cross multiply
    22,503,781.54x = 31,055,313.68 × 12,190,504.63
  4. Step 4: Simplify right side
    22,503,781.54x = 378,579,945,202,142.38
  5. Step 5: Solve for x
    x = 378,579,945,202,142.38/22,503,781.54
  6. Step 6: Final answer
    x = 16,822,947.94

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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.