Home / 20,027,693.31-27,638,818.70-11,325,691.37

Finding the Fourth Proportional to 20,027,693.31, 27,638,818.70 and 11,325,691.37

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Solution

The fourth proportional to 20,027,693.31, 27,638,818.70 and 11,325,691.37 is: 15,629,794.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027,693.31 : 27,638,818.70 = 11,325,691.37 : x
  2. Step 2: Convert to fraction form
    20,027,693.31/27,638,818.70 = 11,325,691.37/x
  3. Step 3: Cross multiply
    20,027,693.31x = 27,638,818.70 × 11,325,691.37
  4. Step 4: Simplify right side
    20,027,693.31x = 313,028,730,232,762.06
  5. Step 5: Solve for x
    x = 313,028,730,232,762.06/20,027,693.31
  6. Step 6: Final answer
    x = 15,629,794.47

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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.