Finding the Fourth Proportional to 18,217,544.40, 27,331,107.44 and 6,547,093.92
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Solution
The fourth proportional to 18,217,544.40, 27,331,107.44 and 6,547,093.92 is: 9,822,362.63
Step by Step Solution
- Step 1: Write the proportion equation
18,217,544.40 : 27,331,107.44 = 6,547,093.92 : x - Step 2: Convert to fraction form
18,217,544.40/27,331,107.44 = 6,547,093.92/x - Step 3: Cross multiply
18,217,544.40x = 27,331,107.44 × 6,547,093.92 - Step 4: Simplify right side
18,217,544.40x = 178,939,327,314,555.28 - Step 5: Solve for x
x = 178,939,327,314,555.28/18,217,544.40 - Step 6: Final answer
x = 9,822,362.63
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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.