Finding the Fourth Proportional to 8,356,607.73, 11,527,874.36 and 5,457,695.49
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Solution
The fourth proportional to 8,356,607.73, 11,527,874.36 and 5,457,695.49 is: 7,528,847.82
Step by Step Solution
- Step 1: Write the proportion equation
8,356,607.73 : 11,527,874.36 = 5,457,695.49 : x - Step 2: Convert to fraction form
8,356,607.73/11,527,874.36 = 5,457,695.49/x - Step 3: Cross multiply
8,356,607.73x = 11,527,874.36 × 5,457,695.49 - Step 4: Simplify right side
8,356,607.73x = 62,915,627,876,570.16 - Step 5: Solve for x
x = 62,915,627,876,570.16/8,356,607.73 - Step 6: Final answer
x = 7,528,847.82
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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.