Finding the Fourth Proportional to 8,610,086.68, 12,915,146.42 and 8,083,960.08
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Solution
The fourth proportional to 8,610,086.68, 12,915,146.42 and 8,083,960.08 is: 12,125,955.52
Step by Step Solution
- Step 1: Write the proportion equation
8,610,086.68 : 12,915,146.42 = 8,083,960.08 : x - Step 2: Convert to fraction form
8,610,086.68/12,915,146.42 = 8,083,960.08/x - Step 3: Cross multiply
8,610,086.68x = 12,915,146.42 × 8,083,960.08 - Step 4: Simplify right side
8,610,086.68x = 104,405,528,086,634.91 - Step 5: Solve for x
x = 104,405,528,086,634.91/8,610,086.68 - Step 6: Final answer
x = 12,125,955.52
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1.5x scale
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.