Finding the Fourth Proportional to 8,080,856.30, 12,121,284.45 and 2,097,224.30
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Solution
The fourth proportional to 8,080,856.30, 12,121,284.45 and 2,097,224.30 is: 3,145,836.45
Step by Step Solution
- Step 1: Write the proportion equation
8,080,856.30 : 12,121,284.45 = 2,097,224.30 : x - Step 2: Convert to fraction form
8,080,856.30/12,121,284.45 = 2,097,224.30/x - Step 3: Cross multiply
8,080,856.30x = 12,121,284.45 × 2,097,224.30 - Step 4: Simplify right side
8,080,856.30x = 25,421,052,295,752.13 - Step 5: Solve for x
x = 25,421,052,295,752.13/8,080,856.30 - Step 6: Final answer
x = 3,145,836.45
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Similar ratio
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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.