Home / 21,383,948.10-29,508,023.79-12,091,062.54

Finding the Fourth Proportional to 21,383,948.10, 29,508,023.79 and 12,091,062.54

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Solution

The fourth proportional to 21,383,948.10, 29,508,023.79 and 12,091,062.54 is: 16,684,634.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,383,948.10 : 29,508,023.79 = 12,091,062.54 : x
  2. Step 2: Convert to fraction form
    21,383,948.10/29,508,023.79 = 12,091,062.54/x
  3. Step 3: Cross multiply
    21,383,948.10x = 29,508,023.79 × 12,091,062.54
  4. Step 4: Simplify right side
    21,383,948.10x = 356,783,361,076,697.81
  5. Step 5: Solve for x
    x = 356,783,361,076,697.81/21,383,948.10
  6. Step 6: Final answer
    x = 16,684,634.63

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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.