Finding the Fourth Proportional to 11,796,230.08, 16,283,814.60 and 7,930,991.80
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Solution
The fourth proportional to 11,796,230.08, 16,283,814.60 and 7,930,991.80 is: 10,948,141.84
Step by Step Solution
- Step 1: Write the proportion equation
11,796,230.08 : 16,283,814.60 = 7,930,991.80 : x - Step 2: Convert to fraction form
11,796,230.08/16,283,814.60 = 7,930,991.80/x - Step 3: Cross multiply
11,796,230.08x = 16,283,814.60 × 7,930,991.80 - Step 4: Simplify right side
11,796,230.08x = 129,146,800,065,320.28 - Step 5: Solve for x
x = 129,146,800,065,320.28/11,796,230.08 - Step 6: Final answer
x = 10,948,141.84
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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.