Finding the Fourth Proportional to 14,756,579.82, 20,364,107.33 and 8,230,629.92
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Solution
The fourth proportional to 14,756,579.82, 20,364,107.33 and 8,230,629.92 is: 11,358,284.44
Step by Step Solution
- Step 1: Write the proportion equation
14,756,579.82 : 20,364,107.33 = 8,230,629.92 : x - Step 2: Convert to fraction form
14,756,579.82/20,364,107.33 = 8,230,629.92/x - Step 3: Cross multiply
14,756,579.82x = 20,364,107.33 × 8,230,629.92 - Step 4: Simplify right side
14,756,579.82x = 167,609,430,941,415.62 - Step 5: Solve for x
x = 167,609,430,941,415.62/14,756,579.82 - Step 6: Final answer
x = 11,358,284.44
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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.