Finding the Fourth Proportional to 7,792,675.05, 11,689,213.05 and 3,693,034.20
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Solution
The fourth proportional to 7,792,675.05, 11,689,213.05 and 3,693,034.20 is: 5,539,646.31
Step by Step Solution
- Step 1: Write the proportion equation
7,792,675.05 : 11,689,213.05 = 3,693,034.20 : x - Step 2: Convert to fraction form
7,792,675.05/11,689,213.05 = 3,693,034.20/x - Step 3: Cross multiply
7,792,675.05x = 11,689,213.05 × 3,693,034.20 - Step 4: Simplify right side
7,792,675.05x = 43,168,663,564,736.31 - Step 5: Solve for x
x = 43,168,663,564,736.31/7,792,675.05 - Step 6: Final answer
x = 5,539,646.31
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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.