Finding the Fourth Proportional to 36,511,427.43, 50,385,585.60 and 19,991,251.79
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Solution
The fourth proportional to 36,511,427.43, 50,385,585.60 and 19,991,251.79 is: 27,587,826.58
Step by Step Solution
- Step 1: Write the proportion equation
36,511,427.43 : 50,385,585.60 = 19,991,251.79 : x - Step 2: Convert to fraction form
36,511,427.43/50,385,585.60 = 19,991,251.79/x - Step 3: Cross multiply
36,511,427.43x = 50,385,585.60 × 19,991,251.79 - Step 4: Simplify right side
36,511,427.43x = 1,007,270,928,253,216.25 - Step 5: Solve for x
x = 1,007,270,928,253,216.25/36,511,427.43 - Step 6: Final answer
x = 27,587,826.58
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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.