Finding the Fourth Proportional to 7,707,813.23, 10,634,163.66 and 4,397,729.53
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Solution
The fourth proportional to 7,707,813.23, 10,634,163.66 and 4,397,729.53 is: 6,067,372.70
Step by Step Solution
- Step 1: Write the proportion equation
7,707,813.23 : 10,634,163.66 = 4,397,729.53 : x - Step 2: Convert to fraction form
7,707,813.23/10,634,163.66 = 4,397,729.53/x - Step 3: Cross multiply
7,707,813.23x = 10,634,163.66 × 4,397,729.53 - Step 4: Simplify right side
7,707,813.23x = 46,766,175,556,733.27 - Step 5: Solve for x
x = 46,766,175,556,733.27/7,707,813.23 - Step 6: Final answer
x = 6,067,372.70
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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.