Finding the Fourth Proportional to 20,020,244.22, 27,627,571.26 and 11,318,419.49
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Solution
The fourth proportional to 20,020,244.22, 27,627,571.26 and 11,318,419.49 is: 15,619,212.11
Step by Step Solution
- Step 1: Write the proportion equation
20,020,244.22 : 27,627,571.26 = 11,318,419.49 : x - Step 2: Convert to fraction form
20,020,244.22/27,627,571.26 = 11,318,419.49/x - Step 3: Cross multiply
20,020,244.22x = 27,627,571.26 × 11,318,419.49 - Step 4: Simplify right side
20,020,244.22x = 312,700,440,872,410 - Step 5: Solve for x
x = 312,700,440,872,410/20,020,244.22 - Step 6: Final answer
x = 15,619,212.11
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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.