Home / 26,608,979.60-39,913,469.40-12,260,072.60

Finding the Fourth Proportional to 26,608,979.60, 39,913,469.40 and 12,260,072.60

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Solution

The fourth proportional to 26,608,979.60, 39,913,469.40 and 12,260,072.60 is: 18,390,108.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,608,979.60 : 39,913,469.40 = 12,260,072.60 : x
  2. Step 2: Convert to fraction form
    26,608,979.60/39,913,469.40 = 12,260,072.60/x
  3. Step 3: Cross multiply
    26,608,979.60x = 39,913,469.40 × 12,260,072.60
  4. Step 4: Simplify right side
    26,608,979.60x = 489,342,032,561,878.44
  5. Step 5: Solve for x
    x = 489,342,032,561,878.44/26,608,979.60
  6. Step 6: Final answer
    x = 18,390,108.90

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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.