Finding the Fourth Proportional to 39,391,190.22, 54,368,912.44 and 23,098,915.02
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Solution
The fourth proportional to 39,391,190.22, 54,368,912.44 and 23,098,915.02 is: 31,881,821.32
Step by Step Solution
- Step 1: Write the proportion equation
39,391,190.22 : 54,368,912.44 = 23,098,915.02 : x - Step 2: Convert to fraction form
39,391,190.22/54,368,912.44 = 23,098,915.02/x - Step 3: Cross multiply
39,391,190.22x = 54,368,912.44 × 23,098,915.02 - Step 4: Simplify right side
39,391,190.22x = 1,255,862,888,181,380.75 - Step 5: Solve for x
x = 1,255,862,888,181,380.75/39,391,190.22 - Step 6: Final answer
x = 31,881,821.32
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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.