Finding the Fourth Proportional to 62,738,218.11, 86,585,487.26 and 37,972,034.49
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Solution
The fourth proportional to 62,738,218.11, 86,585,487.26 and 37,972,034.49 is: 52,405,490.74
Step by Step Solution
- Step 1: Write the proportion equation
62,738,218.11 : 86,585,487.26 = 37,972,034.49 : x - Step 2: Convert to fraction form
62,738,218.11/86,585,487.26 = 37,972,034.49/x - Step 3: Cross multiply
62,738,218.11x = 86,585,487.26 × 37,972,034.49 - Step 4: Simplify right side
62,738,218.11x = 3,287,827,108,380,315.50 - Step 5: Solve for x
x = 3,287,827,108,380,315.50/62,738,218.11 - Step 6: Final answer
x = 52,405,490.74
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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.