Home / 20,286,664.22-27,998,601.46-12,845,018

Finding the Fourth Proportional to 20,286,664.22, 27,998,601.46 and 12,845,018

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Solution

The fourth proportional to 20,286,664.22, 27,998,601.46 and 12,845,018 is: 17,728,027.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,286,664.22 : 27,998,601.46 = 12,845,018 : x
  2. Step 2: Convert to fraction form
    20,286,664.22/27,998,601.46 = 12,845,018/x
  3. Step 3: Cross multiply
    20,286,664.22x = 27,998,601.46 × 12,845,018
  4. Step 4: Simplify right side
    20,286,664.22x = 359,642,539,728,526.31
  5. Step 5: Solve for x
    x = 359,642,539,728,526.31/20,286,664.22
  6. Step 6: Final answer
    x = 17,728,027.43

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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.