Finding the Fourth Proportional to 8,306,743.20, 12,446,701.20 and 4,701,789.60
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Solution
The fourth proportional to 8,306,743.20, 12,446,701.20 and 4,701,789.60 is: 7,045,092.02
Step by Step Solution
- Step 1: Write the proportion equation
8,306,743.20 : 12,446,701.20 = 4,701,789.60 : x - Step 2: Convert to fraction form
8,306,743.20/12,446,701.20 = 4,701,789.60/x - Step 3: Cross multiply
8,306,743.20x = 12,446,701.20 × 4,701,789.60 - Step 4: Simplify right side
8,306,743.20x = 58,521,770,256,467.52 - Step 5: Solve for x
x = 58,521,770,256,467.52/8,306,743.20 - Step 6: Final answer
x = 7,045,092.02
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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.