Finding the Fourth Proportional to 7,006,472.49, 9,668,933.69 and 3,950,687.37
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Solution
The fourth proportional to 7,006,472.49, 9,668,933.69 and 3,950,687.37 is: 5,451,949.50
Step by Step Solution
- Step 1: Write the proportion equation
7,006,472.49 : 9,668,933.69 = 3,950,687.37 : x - Step 2: Convert to fraction form
7,006,472.49/9,668,933.69 = 3,950,687.37/x - Step 3: Cross multiply
7,006,472.49x = 9,668,933.69 × 3,950,687.37 - Step 4: Simplify right side
7,006,472.49x = 38,198,934,190,697.06 - Step 5: Solve for x
x = 38,198,934,190,697.06/7,006,472.49 - Step 6: Final answer
x = 5,451,949.50
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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.