Finding the Fourth Proportional to 7,136,394.67, 9,848,234.38 and 3,873,209.44
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Solution
The fourth proportional to 7,136,394.67, 9,848,234.38 and 3,873,209.44 is: 5,345,034.31
Step by Step Solution
- Step 1: Write the proportion equation
7,136,394.67 : 9,848,234.38 = 3,873,209.44 : x - Step 2: Convert to fraction form
7,136,394.67/9,848,234.38 = 3,873,209.44/x - Step 3: Cross multiply
7,136,394.67x = 9,848,234.38 × 3,873,209.44 - Step 4: Simplify right side
7,136,394.67x = 38,144,274,318,707.38 - Step 5: Solve for x
x = 38,144,274,318,707.38/7,136,394.67 - Step 6: Final answer
x = 5,345,034.31
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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.