Finding the Fourth Proportional to 18,312,000.80, 27,472,375.20 and 5,532,630.80
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Solution
The fourth proportional to 18,312,000.80, 27,472,375.20 and 5,532,630.80 is: 8,300,267.72
Step by Step Solution
- Step 1: Write the proportion equation
18,312,000.80 : 27,472,375.20 = 5,532,630.80 : x - Step 2: Convert to fraction form
18,312,000.80/27,472,375.20 = 5,532,630.80/x - Step 3: Cross multiply
18,312,000.80x = 27,472,375.20 × 5,532,630.80 - Step 4: Simplify right side
18,312,000.80x = 151,994,509,180,676.16 - Step 5: Solve for x
x = 151,994,509,180,676.16/18,312,000.80 - Step 6: Final answer
x = 8,300,267.72
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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.