Finding the Fourth Proportional to 18,201,891.05, 27,302,938.63 and 6,071,321.19
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Solution
The fourth proportional to 18,201,891.05, 27,302,938.63 and 6,071,321.19 is: 9,107,015.83
Step by Step Solution
- Step 1: Write the proportion equation
18,201,891.05 : 27,302,938.63 = 6,071,321.19 : x - Step 2: Convert to fraction form
18,201,891.05/27,302,938.63 = 6,071,321.19/x - Step 3: Cross multiply
18,201,891.05x = 27,302,938.63 × 6,071,321.19 - Step 4: Simplify right side
18,201,891.05x = 165,764,909,853,588.56 - Step 5: Solve for x
x = 165,764,909,853,588.56/18,201,891.05 - Step 6: Final answer
x = 9,107,015.83
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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.