Finding the Fourth Proportional to 8,340,020.92, 11,508,892.60 and 4,855,459.97
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Solution
The fourth proportional to 8,340,020.92, 11,508,892.60 and 4,855,459.97 is: 6,700,338.99
Step by Step Solution
- Step 1: Write the proportion equation
8,340,020.92 : 11,508,892.60 = 4,855,459.97 : x - Step 2: Convert to fraction form
8,340,020.92/11,508,892.60 = 4,855,459.97/x - Step 3: Cross multiply
8,340,020.92x = 11,508,892.60 × 4,855,459.97 - Step 4: Simplify right side
8,340,020.92x = 55,880,967,322,824.16 - Step 5: Solve for x
x = 55,880,967,322,824.16/8,340,020.92 - Step 6: Final answer
x = 6,700,338.99
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1.5x scale
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.