Finding the Fourth Proportional to 11,796,229.33, 16,283,813.57 and 7,930,991.05
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Solution
The fourth proportional to 11,796,229.33, 16,283,813.57 and 7,930,991.05 is: 10,948,140.80
Step by Step Solution
- Step 1: Write the proportion equation
11,796,229.33 : 16,283,813.57 = 7,930,991.05 : x - Step 2: Convert to fraction form
11,796,229.33/16,283,813.57 = 7,930,991.05/x - Step 3: Cross multiply
11,796,229.33x = 16,283,813.57 × 7,930,991.05 - Step 4: Simplify right side
11,796,229.33x = 129,146,779,643,883.59 - Step 5: Solve for x
x = 129,146,779,643,883.59/11,796,229.33 - Step 6: Final answer
x = 10,948,140.80
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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.