Finding the Fourth Proportional to 27,405,232.88, 37,816,465.54 and 15,179,805.68
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Solution
The fourth proportional to 27,405,232.88, 37,816,465.54 and 15,179,805.68 is: 20,946,605.38
Step by Step Solution
- Step 1: Write the proportion equation
27,405,232.88 : 37,816,465.54 = 15,179,805.68 : x - Step 2: Convert to fraction form
27,405,232.88/37,816,465.54 = 15,179,805.68/x - Step 3: Cross multiply
27,405,232.88x = 37,816,465.54 × 15,179,805.68 - Step 4: Simplify right side
27,405,232.88x = 574,046,598,401,616.25 - Step 5: Solve for x
x = 574,046,598,401,616.25/27,405,232.88 - Step 6: Final answer
x = 20,946,605.38
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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.