Finding the Fourth Proportional to 7,136,805.17, 9,848,527.11 and 3,873,549.94
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Solution
The fourth proportional to 7,136,805.17, 9,848,527.11 and 3,873,549.94 is: 5,345,355.61
Step by Step Solution
- Step 1: Write the proportion equation
7,136,805.17 : 9,848,527.11 = 3,873,549.94 : x - Step 2: Convert to fraction form
7,136,805.17/9,848,527.11 = 3,873,549.94/x - Step 3: Cross multiply
7,136,805.17x = 9,848,527.11 × 3,873,549.94 - Step 4: Simplify right side
7,136,805.17x = 38,148,761,571,407.55 - Step 5: Solve for x
x = 38,148,761,571,407.55/7,136,805.17 - Step 6: Final answer
x = 5,345,355.61
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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.