Finding the Fourth Proportional to 12,599,382.62, 18,883,720.10 and 6,530,768.66
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Solution
The fourth proportional to 12,599,382.62, 18,883,720.10 and 6,530,768.66 is: 9,788,194.48
Step by Step Solution
- Step 1: Write the proportion equation
12,599,382.62 : 18,883,720.10 = 6,530,768.66 : x - Step 2: Convert to fraction form
12,599,382.62/18,883,720.10 = 6,530,768.66/x - Step 3: Cross multiply
12,599,382.62x = 18,883,720.10 × 6,530,768.66 - Step 4: Simplify right side
12,599,382.62x = 123,325,207,413,292.08 - Step 5: Solve for x
x = 123,325,207,413,292.08/12,599,382.62 - Step 6: Final answer
x = 9,788,194.48
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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.