Finding the Fourth Proportional to 8,971,942.02, 12,381,121.50 and 5,104,380.18
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Solution
The fourth proportional to 8,971,942.02, 12,381,121.50 and 5,104,380.18 is: 7,043,954.48
Step by Step Solution
- Step 1: Write the proportion equation
8,971,942.02 : 12,381,121.50 = 5,104,380.18 : x - Step 2: Convert to fraction form
8,971,942.02/12,381,121.50 = 5,104,380.18/x - Step 3: Cross multiply
8,971,942.02x = 12,381,121.50 × 5,104,380.18 - Step 4: Simplify right side
8,971,942.02x = 63,197,951,190,771.87 - Step 5: Solve for x
x = 63,197,951,190,771.87/8,971,942.02 - Step 6: Final answer
x = 7,043,954.48
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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.