Finding the Fourth Proportional to 8,846,933.87, 12,202,479.70 and 5,905,267.81
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Solution
The fourth proportional to 8,846,933.87, 12,202,479.70 and 5,905,267.81 is: 8,145,071.68
Step by Step Solution
- Step 1: Write the proportion equation
8,846,933.87 : 12,202,479.70 = 5,905,267.81 : x - Step 2: Convert to fraction form
8,846,933.87/12,202,479.70 = 5,905,267.81/x - Step 3: Cross multiply
8,846,933.87x = 12,202,479.70 × 5,905,267.81 - Step 4: Simplify right side
8,846,933.87x = 72,058,910,529,319.09 - Step 5: Solve for x
x = 72,058,910,529,319.09/8,846,933.87 - Step 6: Final answer
x = 8,145,071.68
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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.