Finding the Fourth Proportional to 10,109,717.80, 15,164,576.70 and 6,283,342.60
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Solution
The fourth proportional to 10,109,717.80, 15,164,576.70 and 6,283,342.60 is: 9,425,013.90
Step by Step Solution
- Step 1: Write the proportion equation
10,109,717.80 : 15,164,576.70 = 6,283,342.60 : x - Step 2: Convert to fraction form
10,109,717.80/15,164,576.70 = 6,283,342.60/x - Step 3: Cross multiply
10,109,717.80x = 15,164,576.70 × 6,283,342.60 - Step 4: Simplify right side
10,109,717.80x = 95,284,230,790,077.41 - Step 5: Solve for x
x = 95,284,230,790,077.41/10,109,717.80 - Step 6: Final answer
x = 9,425,013.90
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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.