Finding the Fourth Proportional to 11,643,825.99, 16,057,581.29 and 9,202,270.12
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Solution
The fourth proportional to 11,643,825.99, 16,057,581.29 and 9,202,270.12 is: 12,690,519.48
Step by Step Solution
- Step 1: Write the proportion equation
11,643,825.99 : 16,057,581.29 = 9,202,270.12 : x - Step 2: Convert to fraction form
11,643,825.99/16,057,581.29 = 9,202,270.12/x - Step 3: Cross multiply
11,643,825.99x = 16,057,581.29 × 9,202,270.12 - Step 4: Simplify right side
11,643,825.99x = 147,766,200,458,426.69 - Step 5: Solve for x
x = 147,766,200,458,426.69/11,643,825.99 - Step 6: Final answer
x = 12,690,519.48
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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.