Finding the Fourth Proportional to 11,235,211.80, 16,852,817.70 and 8,995,723.80
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Solution
The fourth proportional to 11,235,211.80, 16,852,817.70 and 8,995,723.80 is: 13,493,585.70
Step by Step Solution
- Step 1: Write the proportion equation
11,235,211.80 : 16,852,817.70 = 8,995,723.80 : x - Step 2: Convert to fraction form
11,235,211.80/16,852,817.70 = 8,995,723.80/x - Step 3: Cross multiply
11,235,211.80x = 16,852,817.70 × 8,995,723.80 - Step 4: Simplify right side
11,235,211.80x = 151,603,293,280,951.28 - Step 5: Solve for x
x = 151,603,293,280,951.28/11,235,211.80 - Step 6: Final answer
x = 13,493,585.70
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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.