Finding the Fourth Proportional to 7,992,943.67, 11,987,607.29 and 3,670,838.75
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Solution
The fourth proportional to 7,992,943.67, 11,987,607.29 and 3,670,838.75 is: 5,505,427.68
Step by Step Solution
- Step 1: Write the proportion equation
7,992,943.67 : 11,987,607.29 = 3,670,838.75 : x - Step 2: Convert to fraction form
7,992,943.67/11,987,607.29 = 3,670,838.75/x - Step 3: Cross multiply
7,992,943.67x = 11,987,607.29 × 3,670,838.75 - Step 4: Simplify right side
7,992,943.67x = 44,004,573,371,529.31 - Step 5: Solve for x
x = 44,004,573,371,529.31/7,992,943.67 - Step 6: Final answer
x = 5,505,427.68
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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.