Finding the Fourth Proportional to 18,284,586.84, 27,402,816.78 and 10,201,368.42
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Solution
The fourth proportional to 18,284,586.84, 27,402,816.78 and 10,201,368.42 is: 15,288,627.09
Step by Step Solution
- Step 1: Write the proportion equation
18,284,586.84 : 27,402,816.78 = 10,201,368.42 : x - Step 2: Convert to fraction form
18,284,586.84/27,402,816.78 = 10,201,368.42/x - Step 3: Cross multiply
18,284,586.84x = 27,402,816.78 × 10,201,368.42 - Step 4: Simplify right side
18,284,586.84x = 279,546,229,718,538.09 - Step 5: Solve for x
x = 279,546,229,718,538.09/18,284,586.84 - Step 6: Final answer
x = 15,288,627.09
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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.