Home / 22,301,974.62-30,778,580.04-12,379,791.24

Finding the Fourth Proportional to 22,301,974.62, 30,778,580.04 and 12,379,791.24

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Solution

The fourth proportional to 22,301,974.62, 30,778,580.04 and 12,379,791.24 is: 17,085,141.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,301,974.62 : 30,778,580.04 = 12,379,791.24 : x
  2. Step 2: Convert to fraction form
    22,301,974.62/30,778,580.04 = 12,379,791.24/x
  3. Step 3: Cross multiply
    22,301,974.62x = 30,778,580.04 × 12,379,791.24
  4. Step 4: Simplify right side
    22,301,974.62x = 381,032,395,558,830.88
  5. Step 5: Solve for x
    x = 381,032,395,558,830.88/22,301,974.62
  6. Step 6: Final answer
    x = 17,085,141.65

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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.