Finding the Fourth Proportional to 7,344,812.52, 10,135,897.20 and 4,081,933.26
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Solution
The fourth proportional to 7,344,812.52, 10,135,897.20 and 4,081,933.26 is: 5,633,098.98
Step by Step Solution
- Step 1: Write the proportion equation
7,344,812.52 : 10,135,897.20 = 4,081,933.26 : x - Step 2: Convert to fraction form
7,344,812.52/10,135,897.20 = 4,081,933.26/x - Step 3: Cross multiply
7,344,812.52x = 10,135,897.20 × 4,081,933.26 - Step 4: Simplify right side
7,344,812.52x = 41,374,055,900,620.87 - Step 5: Solve for x
x = 41,374,055,900,620.87/7,344,812.52 - Step 6: Final answer
x = 5,633,098.98
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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.