Finding the Fourth Proportional to 7,131,368.07, 9,841,229.73 and 3,868,174.53
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Solution
The fourth proportional to 7,131,368.07, 9,841,229.73 and 3,868,174.53 is: 5,338,049.28
Step by Step Solution
- Step 1: Write the proportion equation
7,131,368.07 : 9,841,229.73 = 3,868,174.53 : x - Step 2: Convert to fraction form
7,131,368.07/9,841,229.73 = 3,868,174.53/x - Step 3: Cross multiply
7,131,368.07x = 9,841,229.73 × 3,868,174.53 - Step 4: Simplify right side
7,131,368.07x = 38,067,594,185,464.77 - Step 5: Solve for x
x = 38,067,594,185,464.77/7,131,368.07 - Step 6: Final answer
x = 5,338,049.28
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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.