Finding the Fourth Proportional to 14,756,576.38, 20,364,102.58 and 8,230,626.48
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Solution
The fourth proportional to 14,756,576.38, 20,364,102.58 and 8,230,626.48 is: 11,358,279.69
Step by Step Solution
- Step 1: Write the proportion equation
14,756,576.38 : 20,364,102.58 = 8,230,626.48 : x - Step 2: Convert to fraction form
14,756,576.38/20,364,102.58 = 8,230,626.48/x - Step 3: Cross multiply
14,756,576.38x = 20,364,102.58 × 8,230,626.48 - Step 4: Simplify right side
14,756,576.38x = 167,609,321,858,927.97 - Step 5: Solve for x
x = 167,609,321,858,927.97/14,756,576.38 - Step 6: Final answer
x = 11,358,279.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.