Home / 11,127,928.70-16,691,893.05-8,258,147.30

Finding the Fourth Proportional to 11,127,928.70, 16,691,893.05 and 8,258,147.30

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Solution

The fourth proportional to 11,127,928.70, 16,691,893.05 and 8,258,147.30 is: 12,387,220.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127,928.70 : 16,691,893.05 = 8,258,147.30 : x
  2. Step 2: Convert to fraction form
    11,127,928.70/16,691,893.05 = 8,258,147.30/x
  3. Step 3: Cross multiply
    11,127,928.70x = 16,691,893.05 × 8,258,147.30
  4. Step 4: Simplify right side
    11,127,928.70x = 137,844,111,522,746.27
  5. Step 5: Solve for x
    x = 137,844,111,522,746.27/11,127,928.70
  6. Step 6: Final answer
    x = 12,387,220.95

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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.