Finding the Fourth Proportional to 6,896,925.96, 9,517,755.60 and 3,997,999.68
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Solution
The fourth proportional to 6,896,925.96, 9,517,755.60 and 3,997,999.68 is: 5,517,238.27
Step by Step Solution
- Step 1: Write the proportion equation
6,896,925.96 : 9,517,755.60 = 3,997,999.68 : x - Step 2: Convert to fraction form
6,896,925.96/9,517,755.60 = 3,997,999.68/x - Step 3: Cross multiply
6,896,925.96x = 9,517,755.60 × 3,997,999.68 - Step 4: Simplify right side
6,896,925.96x = 38,051,983,843,118.21 - Step 5: Solve for x
x = 38,051,983,843,118.21/6,896,925.96 - Step 6: Final answer
x = 5,517,238.27
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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.