Finding the Fourth Proportional to 8,887,639.68, 12,253,088.16 and 6,673,129.92
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Solution
The fourth proportional to 8,887,639.68, 12,253,088.16 and 6,673,129.92 is: 9,200,018.47
Step by Step Solution
- Step 1: Write the proportion equation
8,887,639.68 : 12,253,088.16 = 6,673,129.92 : x - Step 2: Convert to fraction form
8,887,639.68/12,253,088.16 = 6,673,129.92/x - Step 3: Cross multiply
8,887,639.68x = 12,253,088.16 × 6,673,129.92 - Step 4: Simplify right side
8,887,639.68x = 81,766,449,212,893.75 - Step 5: Solve for x
x = 81,766,449,212,893.75/8,887,639.68 - Step 6: Final answer
x = 9,200,018.47
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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.