Finding the Fourth Proportional to 25,489,975.97, 38,235,001.49 and 19,458,951.41
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Solution
The fourth proportional to 25,489,975.97, 38,235,001.49 and 19,458,951.41 is: 29,188,455.77
Step by Step Solution
- Step 1: Write the proportion equation
25,489,975.97 : 38,235,001.49 = 19,458,951.41 : x - Step 2: Convert to fraction form
25,489,975.97/38,235,001.49 = 19,458,951.41/x - Step 3: Cross multiply
25,489,975.97x = 38,235,001.49 × 19,458,951.41 - Step 4: Simplify right side
25,489,975.97x = 744,013,036,155,187.62 - Step 5: Solve for x
x = 744,013,036,155,187.62/25,489,975.97 - Step 6: Final answer
x = 29,188,455.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.