Finding the Fourth Proportional to 7,720,047.12, 11,576,706.35 and 2,601,523.07
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Solution
The fourth proportional to 7,720,047.12, 11,576,706.35 and 2,601,523.07 is: 3,901,150.88
Step by Step Solution
- Step 1: Write the proportion equation
7,720,047.12 : 11,576,706.35 = 2,601,523.07 : x - Step 2: Convert to fraction form
7,720,047.12/11,576,706.35 = 2,601,523.07/x - Step 3: Cross multiply
7,720,047.12x = 11,576,706.35 × 2,601,523.07 - Step 4: Simplify right side
7,720,047.12x = 30,117,068,631,295.57 - Step 5: Solve for x
x = 30,117,068,631,295.57/7,720,047.12 - Step 6: Final answer
x = 3,901,150.88
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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.