Finding the Fourth Proportional to 34,675,147.70, 47,852,476.66 and 19,790,172.91
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Solution
The fourth proportional to 34,675,147.70, 47,852,476.66 and 19,790,172.91 is: 27,310,879.70
Step by Step Solution
- Step 1: Write the proportion equation
34,675,147.70 : 47,852,476.66 = 19,790,172.91 : x - Step 2: Convert to fraction form
34,675,147.70/47,852,476.66 = 19,790,172.91/x - Step 3: Cross multiply
34,675,147.70x = 47,852,476.66 × 19,790,172.91 - Step 4: Simplify right side
34,675,147.70x = 947,008,787,276,519.38 - Step 5: Solve for x
x = 947,008,787,276,519.38/34,675,147.70 - Step 6: Final answer
x = 27,310,879.70
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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.