Finding the Fourth Proportional to 7,857,944.96, 11,785,750.96 and 2,177,576.96
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Solution
The fourth proportional to 7,857,944.96, 11,785,750.96 and 2,177,576.96 is: 3,266,042.19
Step by Step Solution
- Step 1: Write the proportion equation
7,857,944.96 : 11,785,750.96 = 2,177,576.96 : x - Step 2: Convert to fraction form
7,857,944.96/11,785,750.96 = 2,177,576.96/x - Step 3: Cross multiply
7,857,944.96x = 11,785,750.96 × 2,177,576.96 - Step 4: Simplify right side
7,857,944.96x = 25,664,379,746,793.88 - Step 5: Solve for x
x = 25,664,379,746,793.88/7,857,944.96 - Step 6: Final answer
x = 3,266,042.19
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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.