Finding the Fourth Proportional to 11,668,125.82, 17,502,188.73 and 3,148,448.62
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Solution
The fourth proportional to 11,668,125.82, 17,502,188.73 and 3,148,448.62 is: 4,722,672.93
Step by Step Solution
- Step 1: Write the proportion equation
11,668,125.82 : 17,502,188.73 = 3,148,448.62 : x - Step 2: Convert to fraction form
11,668,125.82/17,502,188.73 = 3,148,448.62/x - Step 3: Cross multiply
11,668,125.82x = 17,502,188.73 × 3,148,448.62 - Step 4: Simplify right side
11,668,125.82x = 55,104,741,953,948.05 - Step 5: Solve for x
x = 55,104,741,953,948.05/11,668,125.82 - Step 6: Final answer
x = 4,722,672.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.