Finding the Fourth Proportional to 8,283,612.12, 11,431,275.76 and 4,562,371.68
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Solution
The fourth proportional to 8,283,612.12, 11,431,275.76 and 4,562,371.68 is: 6,296,012.90
Step by Step Solution
- Step 1: Write the proportion equation
8,283,612.12 : 11,431,275.76 = 4,562,371.68 : x - Step 2: Convert to fraction form
8,283,612.12/11,431,275.76 = 4,562,371.68/x - Step 3: Cross multiply
8,283,612.12x = 11,431,275.76 × 4,562,371.68 - Step 4: Simplify right side
8,283,612.12x = 52,153,728,793,694.47 - Step 5: Solve for x
x = 52,153,728,793,694.47/8,283,612.12 - Step 6: Final answer
x = 6,296,012.90
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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.