Finding the Fourth Proportional to 19,198,361.24, 26,493,229.81 and 11,358,277.89
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Solution
The fourth proportional to 19,198,361.24, 26,493,229.81 and 11,358,277.89 is: 15,674,122.53
Step by Step Solution
- Step 1: Write the proportion equation
19,198,361.24 : 26,493,229.81 = 11,358,277.89 : x - Step 2: Convert to fraction form
19,198,361.24/26,493,229.81 = 11,358,277.89/x - Step 3: Cross multiply
19,198,361.24x = 26,493,229.81 × 11,358,277.89 - Step 4: Simplify right side
19,198,361.24x = 300,917,466,385,611.88 - Step 5: Solve for x
x = 300,917,466,385,611.88/19,198,361.24 - Step 6: Final answer
x = 15,674,122.53
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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.