Finding the Fourth Proportional to 8,607,982.68, 11,876,336.10 and 4,886,194.68
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Solution
The fourth proportional to 8,607,982.68, 11,876,336.10 and 4,886,194.68 is: 6,741,427.40
Step by Step Solution
- Step 1: Write the proportion equation
8,607,982.68 : 11,876,336.10 = 4,886,194.68 : x - Step 2: Convert to fraction form
8,607,982.68/11,876,336.10 = 4,886,194.68/x - Step 3: Cross multiply
8,607,982.68x = 11,876,336.10 × 4,886,194.68 - Step 4: Simplify right side
8,607,982.68x = 58,030,090,269,711.95 - Step 5: Solve for x
x = 58,030,090,269,711.95/8,607,982.68 - Step 6: Final answer
x = 6,741,427.40
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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.