Finding the Fourth Proportional to 12,256,442.70, 18,351,486.45 and 9,602,234.70
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Solution
The fourth proportional to 12,256,442.70, 18,351,486.45 and 9,602,234.70 is: 14,377,359.26
Step by Step Solution
- Step 1: Write the proportion equation
12,256,442.70 : 18,351,486.45 = 9,602,234.70 : x - Step 2: Convert to fraction form
12,256,442.70/18,351,486.45 = 9,602,234.70/x - Step 3: Cross multiply
12,256,442.70x = 18,351,486.45 × 9,602,234.70 - Step 4: Simplify right side
12,256,442.70x = 176,215,279,986,769.78 - Step 5: Solve for x
x = 176,215,279,986,769.78/12,256,442.70 - Step 6: Final answer
x = 14,377,359.26
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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.