Finding the Fourth Proportional to 36,378,549.80, 50,203,586.92 and 19,859,555.14
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Solution
The fourth proportional to 36,378,549.80, 50,203,586.92 and 19,859,555.14 is: 27,406,834.75
Step by Step Solution
- Step 1: Write the proportion equation
36,378,549.80 : 50,203,586.92 = 19,859,555.14 : x - Step 2: Convert to fraction form
36,378,549.80/50,203,586.92 = 19,859,555.14/x - Step 3: Cross multiply
36,378,549.80x = 50,203,586.92 × 19,859,555.14 - Step 4: Simplify right side
36,378,549.80x = 997,020,902,807,996.88 - Step 5: Solve for x
x = 997,020,902,807,996.88/36,378,549.80 - Step 6: Final answer
x = 27,406,834.75
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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.