Finding the Fourth Proportional to 27,543,786.68, 41,317,992.88 and 8,374,709.81
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Solution
The fourth proportional to 27,543,786.68, 41,317,992.88 and 8,374,709.81 is: 12,562,767.94
Step by Step Solution
- Step 1: Write the proportion equation
27,543,786.68 : 41,317,992.88 = 8,374,709.81 : x - Step 2: Convert to fraction form
27,543,786.68/41,317,992.88 = 8,374,709.81/x - Step 3: Cross multiply
27,543,786.68x = 41,317,992.88 × 8,374,709.81 - Step 4: Simplify right side
27,543,786.68x = 346,026,200,384,004.31 - Step 5: Solve for x
x = 346,026,200,384,004.31/27,543,786.68 - Step 6: Final answer
x = 12,562,767.94
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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.