Finding the Fourth Proportional to 8,112,646.15, 12,170,593.06 and 2,995,107.14
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Solution
The fourth proportional to 8,112,646.15, 12,170,593.06 and 2,995,107.14 is: 4,493,260.22
Step by Step Solution
- Step 1: Write the proportion equation
8,112,646.15 : 12,170,593.06 = 2,995,107.14 : x - Step 2: Convert to fraction form
8,112,646.15/12,170,593.06 = 2,995,107.14/x - Step 3: Cross multiply
8,112,646.15x = 12,170,593.06 × 2,995,107.14 - Step 4: Simplify right side
8,112,646.15x = 36,452,230,194,979.16 - Step 5: Solve for x
x = 36,452,230,194,979.16/8,112,646.15 - Step 6: Final answer
x = 4,493,260.22
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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.