Home / 11,261,175.43-16,893,091.75-8,439,223.72

Finding the Fourth Proportional to 11,261,175.43, 16,893,091.75 and 8,439,223.72

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Solution

The fourth proportional to 11,261,175.43, 16,893,091.75 and 8,439,223.72 is: 12,659,831.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261,175.43 : 16,893,091.75 = 8,439,223.72 : x
  2. Step 2: Convert to fraction form
    11,261,175.43/16,893,091.75 = 8,439,223.72/x
  3. Step 3: Cross multiply
    11,261,175.43x = 16,893,091.75 × 8,439,223.72
  4. Step 4: Simplify right side
    11,261,175.43x = 142,564,580,600,736.31
  5. Step 5: Solve for x
    x = 142,564,580,600,736.31/11,261,175.43
  6. Step 6: Final answer
    x = 12,659,831.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.