Finding the Fourth Proportional to 23,163,639.39, 31,936,737.63 and 16,957,912.53
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Solution
The fourth proportional to 23,163,639.39, 31,936,737.63 and 16,957,912.53 is: 23,380,626.59
Step by Step Solution
- Step 1: Write the proportion equation
23,163,639.39 : 31,936,737.63 = 16,957,912.53 : x - Step 2: Convert to fraction form
23,163,639.39/31,936,737.63 = 16,957,912.53/x - Step 3: Cross multiply
23,163,639.39x = 31,936,737.63 × 16,957,912.53 - Step 4: Simplify right side
23,163,639.39x = 541,580,403,131,422 - Step 5: Solve for x
x = 541,580,403,131,422/23,163,639.39 - Step 6: Final answer
x = 23,380,626.59
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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.