Home / 29,379,466.68-40,500,933.82-20,531,447.66

Finding the Fourth Proportional to 29,379,466.68, 40,500,933.82 and 20,531,447.66

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Solution

The fourth proportional to 29,379,466.68, 40,500,933.82 and 20,531,447.66 is: 28,303,536.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,379,466.68 : 40,500,933.82 = 20,531,447.66 : x
  2. Step 2: Convert to fraction form
    29,379,466.68/40,500,933.82 = 20,531,447.66/x
  3. Step 3: Cross multiply
    29,379,466.68x = 40,500,933.82 × 20,531,447.66
  4. Step 4: Simplify right side
    29,379,466.68x = 831,542,802,652,620.62
  5. Step 5: Solve for x
    x = 831,542,802,652,620.62/29,379,466.68
  6. Step 6: Final answer
    x = 28,303,536.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.