Finding the Fourth Proportional to 7,420,141.62, 11,131,268.81 and 2,303,013.60
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Solution
The fourth proportional to 7,420,141.62, 11,131,268.81 and 2,303,013.60 is: 3,454,848.27
Step by Step Solution
- Step 1: Write the proportion equation
7,420,141.62 : 11,131,268.81 = 2,303,013.60 : x - Step 2: Convert to fraction form
7,420,141.62/11,131,268.81 = 2,303,013.60/x - Step 3: Cross multiply
7,420,141.62x = 11,131,268.81 × 2,303,013.60 - Step 4: Simplify right side
7,420,141.62x = 25,635,463,443,170.75 - Step 5: Solve for x
x = 25,635,463,443,170.75/7,420,141.62 - Step 6: Final answer
x = 3,454,848.27
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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.