Home / 20,212,143.32-27,892,831.08-11,044,786.88

Finding the Fourth Proportional to 20,212,143.32, 27,892,831.08 and 11,044,786.88

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Solution

The fourth proportional to 20,212,143.32, 27,892,831.08 and 11,044,786.88 is: 15,241,845.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,212,143.32 : 27,892,831.08 = 11,044,786.88 : x
  2. Step 2: Convert to fraction form
    20,212,143.32/27,892,831.08 = 11,044,786.88/x
  3. Step 3: Cross multiply
    20,212,143.32x = 27,892,831.08 × 11,044,786.88
  4. Step 4: Simplify right side
    20,212,143.32x = 308,070,374,758,440.25
  5. Step 5: Solve for x
    x = 308,070,374,758,440.25/20,212,143.32
  6. Step 6: Final answer
    x = 15,241,845.95

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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.