Finding the Fourth Proportional to 8,100,278.82, 12,150,430.02 and 3,307,968.09
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Solution
The fourth proportional to 8,100,278.82, 12,150,430.02 and 3,307,968.09 is: 4,961,956.95
Step by Step Solution
- Step 1: Write the proportion equation
8,100,278.82 : 12,150,430.02 = 3,307,968.09 : x - Step 2: Convert to fraction form
8,100,278.82/12,150,430.02 = 3,307,968.09/x - Step 3: Cross multiply
8,100,278.82x = 12,150,430.02 × 3,307,968.09 - Step 4: Simplify right side
8,100,278.82x = 40,193,234,785,938.05 - Step 5: Solve for x
x = 40,193,234,785,938.05/8,100,278.82 - Step 6: Final answer
x = 4,961,956.95
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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.