Finding the Fourth Proportional to 8,283,609.91, 11,431,272.63 and 4,562,369.43
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Solution
The fourth proportional to 8,283,609.91, 11,431,272.63 and 4,562,369.43 is: 6,296,009.75
Step by Step Solution
- Step 1: Write the proportion equation
8,283,609.91 : 11,431,272.63 = 4,562,369.43 : x - Step 2: Convert to fraction form
8,283,609.91/11,431,272.63 = 4,562,369.43/x - Step 3: Cross multiply
8,283,609.91x = 11,431,272.63 × 4,562,369.43 - Step 4: Simplify right side
8,283,609.91x = 52,153,688,793,107.70 - Step 5: Solve for x
x = 52,153,688,793,107.70/8,283,609.91 - Step 6: Final answer
x = 6,296,009.75
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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.