Finding the Fourth Proportional to 11,796,229.08, 16,283,813.22 and 7,930,990.80
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Solution
The fourth proportional to 11,796,229.08, 16,283,813.22 and 7,930,990.80 is: 10,948,140.46
Step by Step Solution
- Step 1: Write the proportion equation
11,796,229.08 : 16,283,813.22 = 7,930,990.80 : x - Step 2: Convert to fraction form
11,796,229.08/16,283,813.22 = 7,930,990.80/x - Step 3: Cross multiply
11,796,229.08x = 16,283,813.22 × 7,930,990.80 - Step 4: Simplify right side
11,796,229.08x = 129,146,772,836,738.38 - Step 5: Solve for x
x = 129,146,772,836,738.38/11,796,229.08 - Step 6: Final answer
x = 10,948,140.46
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1.5x scale
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.