Finding the Fourth Proportional to 8,378,325.83, 12,566,547.60 and 2,313,919.68
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Solution
The fourth proportional to 8,378,325.83, 12,566,547.60 and 2,313,919.68 is: 3,470,619.60
Step by Step Solution
- Step 1: Write the proportion equation
8,378,325.83 : 12,566,547.60 = 2,313,919.68 : x - Step 2: Convert to fraction form
8,378,325.83/12,566,547.60 = 2,313,919.68/x - Step 3: Cross multiply
8,378,325.83x = 12,566,547.60 × 2,313,919.68 - Step 4: Simplify right side
8,378,325.83x = 29,077,981,801,296.77 - Step 5: Solve for x
x = 29,077,981,801,296.77/8,378,325.83 - Step 6: Final answer
x = 3,470,619.60
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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.