Finding the Fourth Proportional to 18,986,492.94, 26,201,486.06 and 10,284,665.55
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Solution
The fourth proportional to 18,986,492.94, 26,201,486.06 and 10,284,665.55 is: 14,192,906.60
Step by Step Solution
- Step 1: Write the proportion equation
18,986,492.94 : 26,201,486.06 = 10,284,665.55 : x - Step 2: Convert to fraction form
18,986,492.94/26,201,486.06 = 10,284,665.55/x - Step 3: Cross multiply
18,986,492.94x = 26,201,486.06 × 10,284,665.55 - Step 4: Simplify right side
18,986,492.94x = 269,473,521,040,087.25 - Step 5: Solve for x
x = 269,473,521,040,087.25/18,986,492.94 - Step 6: Final answer
x = 14,192,906.60
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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.