Home / 40,355,902.69-60,493,383.60-20,914,240.87

Finding the Fourth Proportional to 40,355,902.69, 60,493,383.60 and 20,914,240.87

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Solution

The fourth proportional to 40,355,902.69, 60,493,383.60 and 20,914,240.87 is: 31,350,387.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,355,902.69 : 60,493,383.60 = 20,914,240.87 : x
  2. Step 2: Convert to fraction form
    40,355,902.69/60,493,383.60 = 20,914,240.87/x
  3. Step 3: Cross multiply
    40,355,902.69x = 60,493,383.60 × 20,914,240.87
  4. Step 4: Simplify right side
    40,355,902.69x = 1,265,173,195,648,896
  5. Step 5: Solve for x
    x = 1,265,173,195,648,896/40,355,902.69
  6. Step 6: Final answer
    x = 31,350,387.71

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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.