Finding the Fourth Proportional to 8,159,558.11, 11,260,400.30 and 4,488,568.99
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Solution
The fourth proportional to 8,159,558.11, 11,260,400.30 and 4,488,568.99 is: 6,194,340.79
Step by Step Solution
- Step 1: Write the proportion equation
8,159,558.11 : 11,260,400.30 = 4,488,568.99 : x - Step 2: Convert to fraction form
8,159,558.11/11,260,400.30 = 4,488,568.99/x - Step 3: Cross multiply
8,159,558.11x = 11,260,400.30 × 4,488,568.99 - Step 4: Simplify right side
8,159,558.11x = 50,543,083,601,566.70 - Step 5: Solve for x
x = 50,543,083,601,566.70/8,159,558.11 - Step 6: Final answer
x = 6,194,340.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.