Finding the Fourth Proportional to 18,053,977.96, 27,087,708.78 and 7,274,337.04
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Solution
The fourth proportional to 18,053,977.96, 27,087,708.78 and 7,274,337.04 is: 10,914,221.99
Step by Step Solution
- Step 1: Write the proportion equation
18,053,977.96 : 27,087,708.78 = 7,274,337.04 : x - Step 2: Convert to fraction form
18,053,977.96/27,087,708.78 = 7,274,337.04/x - Step 3: Cross multiply
18,053,977.96x = 27,087,708.78 × 7,274,337.04 - Step 4: Simplify right side
18,053,977.96x = 197,045,123,307,087.22 - Step 5: Solve for x
x = 197,045,123,307,087.22/18,053,977.96 - Step 6: Final answer
x = 10,914,221.99
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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.