Finding the Fourth Proportional to 18,164,443.40, 27,284,573.10 and 15,330,091.40
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Solution
The fourth proportional to 18,164,443.40, 27,284,573.10 and 15,330,091.40 is: 23,027,129.99
Step by Step Solution
- Step 1: Write the proportion equation
18,164,443.40 : 27,284,573.10 = 15,330,091.40 : x - Step 2: Convert to fraction form
18,164,443.40/27,284,573.10 = 15,330,091.40/x - Step 3: Cross multiply
18,164,443.40x = 27,284,573.10 × 15,330,091.40 - Step 4: Simplify right side
18,164,443.40x = 418,274,999,432,981.38 - Step 5: Solve for x
x = 418,274,999,432,981.38/18,164,443.40 - Step 6: Final answer
x = 23,027,129.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.