Finding the Fourth Proportional to 10,148,471.46, 13,991,342.67 and 8,062,235.96
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Solution
The fourth proportional to 10,148,471.46, 13,991,342.67 and 8,062,235.96 is: 11,115,122.74
Step by Step Solution
- Step 1: Write the proportion equation
10,148,471.46 : 13,991,342.67 = 8,062,235.96 : x - Step 2: Convert to fraction form
10,148,471.46/13,991,342.67 = 8,062,235.96/x - Step 3: Cross multiply
10,148,471.46x = 13,991,342.67 × 8,062,235.96 - Step 4: Simplify right side
10,148,471.46x = 112,801,505,932,799.70 - Step 5: Solve for x
x = 112,801,505,932,799.70/10,148,471.46 - Step 6: Final answer
x = 11,115,122.74
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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.