Finding the Fourth Proportional to 8,203,674.72, 11,321,189.94 and 4,532,675.82
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Solution
The fourth proportional to 8,203,674.72, 11,321,189.94 and 4,532,675.82 is: 6,255,158.29
Step by Step Solution
- Step 1: Write the proportion equation
8,203,674.72 : 11,321,189.94 = 4,532,675.82 : x - Step 2: Convert to fraction form
8,203,674.72/11,321,189.94 = 4,532,675.82/x - Step 3: Cross multiply
8,203,674.72x = 11,321,189.94 × 4,532,675.82 - Step 4: Simplify right side
8,203,674.72x = 51,315,283,894,665.25 - Step 5: Solve for x
x = 51,315,283,894,665.25/8,203,674.72 - Step 6: Final answer
x = 6,255,158.29
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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.