Finding the Fourth Proportional to 10,804,218.42, 14,906,584.52 and 6,220,421.94
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Solution
The fourth proportional to 10,804,218.42, 14,906,584.52 and 6,220,421.94 is: 8,582,318.66
Step by Step Solution
- Step 1: Write the proportion equation
10,804,218.42 : 14,906,584.52 = 6,220,421.94 : x - Step 2: Convert to fraction form
10,804,218.42/14,906,584.52 = 6,220,421.94/x - Step 3: Cross multiply
10,804,218.42x = 14,906,584.52 × 6,220,421.94 - Step 4: Simplify right side
10,804,218.42x = 92,725,245,398,672.38 - Step 5: Solve for x
x = 92,725,245,398,672.38/10,804,218.42 - Step 6: Final answer
x = 8,582,318.66
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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.