Finding the Fourth Proportional to 27,202,571.80, 40,803,857.70 and 23,659,631.80
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Solution
The fourth proportional to 27,202,571.80, 40,803,857.70 and 23,659,631.80 is: 35,489,447.70
Step by Step Solution
- Step 1: Write the proportion equation
27,202,571.80 : 40,803,857.70 = 23,659,631.80 : x - Step 2: Convert to fraction form
27,202,571.80/40,803,857.70 = 23,659,631.80/x - Step 3: Cross multiply
27,202,571.80x = 40,803,857.70 × 23,659,631.80 - Step 4: Simplify right side
27,202,571.80x = 965,404,249,201,595 - Step 5: Solve for x
x = 965,404,249,201,595/27,202,571.80 - Step 6: Final answer
x = 35,489,447.70
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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.