Finding the Fourth Proportional to 8,459,157.24, 12,689,229.29 and 2,393,381.52
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Solution
The fourth proportional to 8,459,157.24, 12,689,229.29 and 2,393,381.52 is: 3,590,211.89
Step by Step Solution
- Step 1: Write the proportion equation
8,459,157.24 : 12,689,229.29 = 2,393,381.52 : x - Step 2: Convert to fraction form
8,459,157.24/12,689,229.29 = 2,393,381.52/x - Step 3: Cross multiply
8,459,157.24x = 12,689,229.29 × 2,393,381.52 - Step 4: Simplify right side
8,459,157.24x = 30,370,166,873,761.81 - Step 5: Solve for x
x = 30,370,166,873,761.81/8,459,157.24 - Step 6: Final answer
x = 3,590,211.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.