Finding the Fourth Proportional to 8,221,564.26, 12,326,741.19 and 4,170,240.02
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Solution
The fourth proportional to 8,221,564.26, 12,326,741.19 and 4,170,240.02 is: 6,252,516.90
Step by Step Solution
- Step 1: Write the proportion equation
8,221,564.26 : 12,326,741.19 = 4,170,240.02 : x - Step 2: Convert to fraction form
8,221,564.26/12,326,741.19 = 4,170,240.02/x - Step 3: Cross multiply
8,221,564.26x = 12,326,741.19 × 4,170,240.02 - Step 4: Simplify right side
8,221,564.26x = 51,405,469,457,537.27 - Step 5: Solve for x
x = 51,405,469,457,537.27/8,221,564.26 - Step 6: Final answer
x = 6,252,516.90
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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.