Finding the Fourth Proportional to 7,757,612.28, 11,632,431.60 and 4,166,399.52
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Solution
The fourth proportional to 7,757,612.28, 11,632,431.60 and 4,166,399.52 is: 6,247,458.07
Step by Step Solution
- Step 1: Write the proportion equation
7,757,612.28 : 11,632,431.60 = 4,166,399.52 : x - Step 2: Convert to fraction form
7,757,612.28/11,632,431.60 = 4,166,399.52/x - Step 3: Cross multiply
7,757,612.28x = 11,632,431.60 × 4,166,399.52 - Step 4: Simplify right side
7,757,612.28x = 48,465,357,434,672.83 - Step 5: Solve for x
x = 48,465,357,434,672.83/7,757,612.28 - Step 6: Final answer
x = 6,247,458.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.