Finding the Fourth Proportional to 7,136,394.91, 9,848,234.72 and 3,873,209.69
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Solution
The fourth proportional to 7,136,394.91, 9,848,234.72 and 3,873,209.69 is: 5,345,034.66
Step by Step Solution
- Step 1: Write the proportion equation
7,136,394.91 : 9,848,234.72 = 3,873,209.69 : x - Step 2: Convert to fraction form
7,136,394.91/9,848,234.72 = 3,873,209.69/x - Step 3: Cross multiply
7,136,394.91x = 9,848,234.72 × 3,873,209.69 - Step 4: Simplify right side
7,136,394.91x = 38,144,278,146,898.44 - Step 5: Solve for x
x = 38,144,278,146,898.44/7,136,394.91 - Step 6: Final answer
x = 5,345,034.66
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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.