Finding the Fourth Proportional to 8,201,868.84, 11,318,674.05 and 4,530,709.35
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Solution
The fourth proportional to 8,201,868.84, 11,318,674.05 and 4,530,709.35 is: 6,252,431.41
Step by Step Solution
- Step 1: Write the proportion equation
8,201,868.84 : 11,318,674.05 = 4,530,709.35 : x - Step 2: Convert to fraction form
8,201,868.84/11,318,674.05 = 4,530,709.35/x - Step 3: Cross multiply
8,201,868.84x = 11,318,674.05 × 4,530,709.35 - Step 4: Simplify right side
8,201,868.84x = 51,281,622,347,937.37 - Step 5: Solve for x
x = 51,281,622,347,937.37/8,201,868.84 - Step 6: Final answer
x = 6,252,431.41
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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.