Home / 31,695,394.51-47,543,091.77-20,407,597.39

Finding the Fourth Proportional to 31,695,394.51, 47,543,091.77 and 20,407,597.39

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Solution

The fourth proportional to 31,695,394.51, 47,543,091.77 and 20,407,597.39 is: 30,611,396.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,695,394.51 : 47,543,091.77 = 20,407,597.39 : x
  2. Step 2: Convert to fraction form
    31,695,394.51/47,543,091.77 = 20,407,597.39/x
  3. Step 3: Cross multiply
    31,695,394.51x = 47,543,091.77 × 20,407,597.39
  4. Step 4: Simplify right side
    31,695,394.51x = 970,240,275,517,982.62
  5. Step 5: Solve for x
    x = 970,240,275,517,982.62/31,695,394.51
  6. Step 6: Final answer
    x = 30,611,396.09

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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.