Finding the Fourth Proportional to 7,880,940.99, 11,821,411.49 and 6,086,441.88
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Solution
The fourth proportional to 7,880,940.99, 11,821,411.49 and 6,086,441.88 is: 9,129,662.82
Step by Step Solution
- Step 1: Write the proportion equation
7,880,940.99 : 11,821,411.49 = 6,086,441.88 : x - Step 2: Convert to fraction form
7,880,940.99/11,821,411.49 = 6,086,441.88/x - Step 3: Cross multiply
7,880,940.99x = 11,821,411.49 × 6,086,441.88 - Step 4: Simplify right side
7,880,940.99x = 71,950,333,943,016.98 - Step 5: Solve for x
x = 71,950,333,943,016.98/7,880,940.99 - Step 6: Final answer
x = 9,129,662.82
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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.