Finding the Fourth Proportional to 30,019,396.97, 41,426,803.23 and 16,268,361.09
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Solution
The fourth proportional to 30,019,396.97, 41,426,803.23 and 16,268,361.09 is: 22,450,357.50
Step by Step Solution
- Step 1: Write the proportion equation
30,019,396.97 : 41,426,803.23 = 16,268,361.09 : x - Step 2: Convert to fraction form
30,019,396.97/41,426,803.23 = 16,268,361.09/x - Step 3: Cross multiply
30,019,396.97x = 41,426,803.23 × 16,268,361.09 - Step 4: Simplify right side
30,019,396.97x = 673,946,193,689,012 - Step 5: Solve for x
x = 673,946,193,689,012/30,019,396.97 - Step 6: Final answer
x = 22,450,357.50
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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.