Finding the Fourth Proportional to 8,378,322.82, 12,566,543.11 and 2,313,916.67
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Solution
The fourth proportional to 8,378,322.82, 12,566,543.11 and 2,313,916.67 is: 3,470,615.09
Step by Step Solution
- Step 1: Write the proportion equation
8,378,322.82 : 12,566,543.11 = 2,313,916.67 : x - Step 2: Convert to fraction form
8,378,322.82/12,566,543.11 = 2,313,916.67/x - Step 3: Cross multiply
8,378,322.82x = 12,566,543.11 × 2,313,916.67 - Step 4: Simplify right side
8,378,322.82x = 29,077,933,612,134.21 - Step 5: Solve for x
x = 29,077,933,612,134.21/8,378,322.82 - Step 6: Final answer
x = 3,470,615.09
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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.