Finding the Fourth Proportional to 6,129,368.75, 8,458,528.48 and 3,552,544.20
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Solution
The fourth proportional to 6,129,368.75, 8,458,528.48 and 3,552,544.20 is: 4,902,510.77
Step by Step Solution
- Step 1: Write the proportion equation
6,129,368.75 : 8,458,528.48 = 3,552,544.20 : x - Step 2: Convert to fraction form
6,129,368.75/8,458,528.48 = 3,552,544.20/x - Step 3: Cross multiply
6,129,368.75x = 8,458,528.48 × 3,552,544.20 - Step 4: Simplify right side
6,129,368.75x = 30,049,296,314,996.93 - Step 5: Solve for x
x = 30,049,296,314,996.93/6,129,368.75 - Step 6: Final answer
x = 4,902,510.77
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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.