Finding the Fourth Proportional to 36,407,391.76, 50,241,241.32 and 20,109,517.84
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Solution
The fourth proportional to 36,407,391.76, 50,241,241.32 and 20,109,517.84 is: 27,750,604.75
Step by Step Solution
- Step 1: Write the proportion equation
36,407,391.76 : 50,241,241.32 = 20,109,517.84 : x - Step 2: Convert to fraction form
36,407,391.76/50,241,241.32 = 20,109,517.84/x - Step 3: Cross multiply
36,407,391.76x = 50,241,241.32 × 20,109,517.84 - Step 4: Simplify right side
36,407,391.76x = 1,010,327,138,628,285.12 - Step 5: Solve for x
x = 1,010,327,138,628,285.12/36,407,391.76 - Step 6: Final answer
x = 27,750,604.75
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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.