Home / 12,268,783.72-16,930,845.75-6,687,023.90

Finding the Fourth Proportional to 12,268,783.72, 16,930,845.75 and 6,687,023.90

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Solution

The fourth proportional to 12,268,783.72, 16,930,845.75 and 6,687,023.90 is: 9,228,051.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268,783.72 : 16,930,845.75 = 6,687,023.90 : x
  2. Step 2: Convert to fraction form
    12,268,783.72/16,930,845.75 = 6,687,023.90/x
  3. Step 3: Cross multiply
    12,268,783.72x = 16,930,845.75 × 6,687,023.90
  4. Step 4: Simplify right side
    12,268,783.72x = 113,216,970,177,463.44
  5. Step 5: Solve for x
    x = 113,216,970,177,463.44/12,268,783.72
  6. Step 6: Final answer
    x = 9,228,051.68

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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.