Finding the Fourth Proportional to 8,193,744.60, 12,290,616.90 and 2,513,230.80
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Solution
The fourth proportional to 8,193,744.60, 12,290,616.90 and 2,513,230.80 is: 3,769,846.20
Step by Step Solution
- Step 1: Write the proportion equation
8,193,744.60 : 12,290,616.90 = 2,513,230.80 : x - Step 2: Convert to fraction form
8,193,744.60/12,290,616.90 = 2,513,230.80/x - Step 3: Cross multiply
8,193,744.60x = 12,290,616.90 × 2,513,230.80 - Step 4: Simplify right side
8,193,744.60x = 30,889,156,944,080.52 - Step 5: Solve for x
x = 30,889,156,944,080.52/8,193,744.60 - Step 6: Final answer
x = 3,769,846.20
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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.