Finding the Fourth Proportional to 8,152,134.40, 12,228,201.60 and 8,026,163.20
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Solution
The fourth proportional to 8,152,134.40, 12,228,201.60 and 8,026,163.20 is: 12,039,244.80
Step by Step Solution
- Step 1: Write the proportion equation
8,152,134.40 : 12,228,201.60 = 8,026,163.20 : x - Step 2: Convert to fraction form
8,152,134.40/12,228,201.60 = 8,026,163.20/x - Step 3: Cross multiply
8,152,134.40x = 12,228,201.60 × 8,026,163.20 - Step 4: Simplify right side
8,152,134.40x = 98,145,541,684,101.12 - Step 5: Solve for x
x = 98,145,541,684,101.12/8,152,134.40 - Step 6: Final answer
x = 12,039,244.80
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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.