Finding the Fourth Proportional to 15,268,524.13, 21,070,704.42 and 8,299,218.08
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Solution
The fourth proportional to 15,268,524.13, 21,070,704.42 and 8,299,218.08 is: 11,452,997.66
Step by Step Solution
- Step 1: Write the proportion equation
15,268,524.13 : 21,070,704.42 = 8,299,218.08 : x - Step 2: Convert to fraction form
15,268,524.13/21,070,704.42 = 8,299,218.08/x - Step 3: Cross multiply
15,268,524.13x = 21,070,704.42 × 8,299,218.08 - Step 4: Simplify right side
15,268,524.13x = 174,870,371,133,476.69 - Step 5: Solve for x
x = 174,870,371,133,476.69/15,268,524.13 - Step 6: Final answer
x = 11,452,997.66
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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.