Finding the Fourth Proportional to 7,673,748.48, 11,509,309.44 and 2,555,596.80
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Solution
The fourth proportional to 7,673,748.48, 11,509,309.44 and 2,555,596.80 is: 3,832,957.84
Step by Step Solution
- Step 1: Write the proportion equation
7,673,748.48 : 11,509,309.44 = 2,555,596.80 : x - Step 2: Convert to fraction form
7,673,748.48/11,509,309.44 = 2,555,596.80/x - Step 3: Cross multiply
7,673,748.48x = 11,509,309.44 × 2,555,596.80 - Step 4: Simplify right side
7,673,748.48x = 29,413,154,375,073.79 - Step 5: Solve for x
x = 29,413,154,375,073.79/7,673,748.48 - Step 6: Final answer
x = 3,832,957.84
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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.