Finding the Fourth Proportional to 7,134,453.36, 9,845,516.07 and 4,236,230.02
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Solution
The fourth proportional to 7,134,453.36, 9,845,516.07 and 4,236,230.02 is: 5,845,979.87
Step by Step Solution
- Step 1: Write the proportion equation
7,134,453.36 : 9,845,516.07 = 4,236,230.02 : x - Step 2: Convert to fraction form
7,134,453.36/9,845,516.07 = 4,236,230.02/x - Step 3: Cross multiply
7,134,453.36x = 9,845,516.07 × 4,236,230.02 - Step 4: Simplify right side
7,134,453.36x = 41,707,870,738,126.42 - Step 5: Solve for x
x = 41,707,870,738,126.42/7,134,453.36 - Step 6: Final answer
x = 5,845,979.87
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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.