Finding the Fourth Proportional to 8,192,806.14, 12,290,794.65 and 3,143,724.06
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Solution
The fourth proportional to 8,192,806.14, 12,290,794.65 and 3,143,724.06 is: 4,716,194.45
Step by Step Solution
- Step 1: Write the proportion equation
8,192,806.14 : 12,290,794.65 = 3,143,724.06 : x - Step 2: Convert to fraction form
8,192,806.14/12,290,794.65 = 3,143,724.06/x - Step 3: Cross multiply
8,192,806.14x = 12,290,794.65 × 3,143,724.06 - Step 4: Simplify right side
8,192,806.14x = 38,638,866,857,724.28 - Step 5: Solve for x
x = 38,638,866,857,724.28/8,192,806.14 - Step 6: Final answer
x = 4,716,194.45
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1.5x scale
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.