Finding the Fourth Proportional to 8,100,888.05, 12,121,438.50 and 4,864,396.79
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Solution
The fourth proportional to 8,100,888.05, 12,121,438.50 and 4,864,396.79 is: 7,278,644.78
Step by Step Solution
- Step 1: Write the proportion equation
8,100,888.05 : 12,121,438.50 = 4,864,396.79 : x - Step 2: Convert to fraction form
8,100,888.05/12,121,438.50 = 4,864,396.79/x - Step 3: Cross multiply
8,100,888.05x = 12,121,438.50 × 4,864,396.79 - Step 4: Simplify right side
8,100,888.05x = 58,963,486,505,260.43 - Step 5: Solve for x
x = 58,963,486,505,260.43/8,100,888.05 - Step 6: Final answer
x = 7,278,644.78
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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.