Finding the Fourth Proportional to 8,356,495.32, 11,527,718.85 and 5,457,583.08
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Solution
The fourth proportional to 8,356,495.32, 11,527,718.85 and 5,457,583.08 is: 7,528,692.46
Step by Step Solution
- Step 1: Write the proportion equation
8,356,495.32 : 11,527,718.85 = 5,457,583.08 : x - Step 2: Convert to fraction form
8,356,495.32/11,527,718.85 = 5,457,583.08/x - Step 3: Cross multiply
8,356,495.32x = 11,527,718.85 × 5,457,583.08 - Step 4: Simplify right side
8,356,495.32x = 62,913,483,346,757.05 - Step 5: Solve for x
x = 62,913,483,346,757.05/8,356,495.32 - Step 6: Final answer
x = 7,528,692.46
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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.