Finding the Fourth Proportional to 12,244,817.80, 18,367,226.70 and 4,672,030.60
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Solution
The fourth proportional to 12,244,817.80, 18,367,226.70 and 4,672,030.60 is: 7,008,045.90
Step by Step Solution
- Step 1: Write the proportion equation
12,244,817.80 : 18,367,226.70 = 4,672,030.60 : x - Step 2: Convert to fraction form
12,244,817.80/18,367,226.70 = 4,672,030.60/x - Step 3: Cross multiply
12,244,817.80x = 18,367,226.70 × 4,672,030.60 - Step 4: Simplify right side
12,244,817.80x = 85,812,245,179,537.02 - Step 5: Solve for x
x = 85,812,245,179,537.02/12,244,817.80 - Step 6: Final answer
x = 7,008,045.90
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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.