Finding the Fourth Proportional to 8,303,965.87, 11,459,213.08 and 4,868,495.05
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Solution
The fourth proportional to 8,303,965.87, 11,459,213.08 and 4,868,495.05 is: 6,718,370.84
Step by Step Solution
- Step 1: Write the proportion equation
8,303,965.87 : 11,459,213.08 = 4,868,495.05 : x - Step 2: Convert to fraction form
8,303,965.87/11,459,213.08 = 4,868,495.05/x - Step 3: Cross multiply
8,303,965.87x = 11,459,213.08 × 4,868,495.05 - Step 4: Simplify right side
8,303,965.87x = 55,789,122,156,875.25 - Step 5: Solve for x
x = 55,789,122,156,875.25/8,303,965.87 - Step 6: Final answer
x = 6,718,370.84
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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.