Finding the Fourth Proportional to 11,351,412.31, 15,664,944.67 and 6,194,773.85
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Solution
The fourth proportional to 11,351,412.31, 15,664,944.67 and 6,194,773.85 is: 8,548,785.56
Step by Step Solution
- Step 1: Write the proportion equation
11,351,412.31 : 15,664,944.67 = 6,194,773.85 : x - Step 2: Convert to fraction form
11,351,412.31/15,664,944.67 = 6,194,773.85/x - Step 3: Cross multiply
11,351,412.31x = 15,664,944.67 × 6,194,773.85 - Step 4: Simplify right side
11,351,412.31x = 97,040,789,572,439 - Step 5: Solve for x
x = 97,040,789,572,439/11,351,412.31 - Step 6: Final answer
x = 8,548,785.56
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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.