Home / 20,185,984.10-27,856,302.64-11,483,971.25

Finding the Fourth Proportional to 20,185,984.10, 27,856,302.64 and 11,483,971.25

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Solution

The fourth proportional to 20,185,984.10, 27,856,302.64 and 11,483,971.25 is: 15,847,678.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185,984.10 : 27,856,302.64 = 11,483,971.25 : x
  2. Step 2: Convert to fraction form
    20,185,984.10/27,856,302.64 = 11,483,971.25/x
  3. Step 3: Cross multiply
    20,185,984.10x = 27,856,302.64 × 11,483,971.25
  4. Step 4: Simplify right side
    20,185,984.10x = 319,900,978,481,067.62
  5. Step 5: Solve for x
    x = 319,900,978,481,067.62/20,185,984.10
  6. Step 6: Final answer
    x = 15,847,678.11

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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.