Finding the Fourth Proportional to 18,121,528.40, 27,182,292.60 and 6,154,264.40
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Solution
The fourth proportional to 18,121,528.40, 27,182,292.60 and 6,154,264.40 is: 9,231,396.60
Step by Step Solution
- Step 1: Write the proportion equation
18,121,528.40 : 27,182,292.60 = 6,154,264.40 : x - Step 2: Convert to fraction form
18,121,528.40/27,182,292.60 = 6,154,264.40/x - Step 3: Cross multiply
18,121,528.40x = 27,182,292.60 × 6,154,264.40 - Step 4: Simplify right side
18,121,528.40x = 167,287,015,658,563.47 - Step 5: Solve for x
x = 167,287,015,658,563.47/18,121,528.40 - Step 6: Final answer
x = 9,231,396.60
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.