Home / 26,608,640.40-39,912,960.60-20,869,077.60

Finding the Fourth Proportional to 26,608,640.40, 39,912,960.60 and 20,869,077.60

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Solution

The fourth proportional to 26,608,640.40, 39,912,960.60 and 20,869,077.60 is: 31,303,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,608,640.40 : 39,912,960.60 = 20,869,077.60 : x
  2. Step 2: Convert to fraction form
    26,608,640.40/39,912,960.60 = 20,869,077.60/x
  3. Step 3: Cross multiply
    26,608,640.40x = 39,912,960.60 × 20,869,077.60
  4. Step 4: Simplify right side
    26,608,640.40x = 832,946,672,007,142.62
  5. Step 5: Solve for x
    x = 832,946,672,007,142.62/26,608,640.40
  6. Step 6: Final answer
    x = 31,303,616.40

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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.