Finding the Fourth Proportional to 7,362,748.62, 10,160,471.79 and 4,307,480.46
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Solution
The fourth proportional to 7,362,748.62, 10,160,471.79 and 4,307,480.46 is: 5,944,252.07
Step by Step Solution
- Step 1: Write the proportion equation
7,362,748.62 : 10,160,471.79 = 4,307,480.46 : x - Step 2: Convert to fraction form
7,362,748.62/10,160,471.79 = 4,307,480.46/x - Step 3: Cross multiply
7,362,748.62x = 10,160,471.79 × 4,307,480.46 - Step 4: Simplify right side
7,362,748.62x = 43,766,033,699,806.22 - Step 5: Solve for x
x = 43,766,033,699,806.22/7,362,748.62 - Step 6: Final answer
x = 5,944,252.07
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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.