Home / 13,025,729.37-17,963,743.89-8,131,405.62

Finding the Fourth Proportional to 13,025,729.37, 17,963,743.89 and 8,131,405.62

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Solution

The fourth proportional to 13,025,729.37, 17,963,743.89 and 8,131,405.62 is: 11,213,996.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,025,729.37 : 17,963,743.89 = 8,131,405.62 : x
  2. Step 2: Convert to fraction form
    13,025,729.37/17,963,743.89 = 8,131,405.62/x
  3. Step 3: Cross multiply
    13,025,729.37x = 17,963,743.89 × 8,131,405.62
  4. Step 4: Simplify right side
    13,025,729.37x = 146,070,488,023,386.66
  5. Step 5: Solve for x
    x = 146,070,488,023,386.66/13,025,729.37
  6. Step 6: Final answer
    x = 11,213,996.84

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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.