Finding the Fourth Proportional to 8,458,115.09, 11,672,210.07 and 4,590,636.75
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Solution
The fourth proportional to 8,458,115.09, 11,672,210.07 and 4,590,636.75 is: 6,335,084.82
Step by Step Solution
- Step 1: Write the proportion equation
8,458,115.09 : 11,672,210.07 = 4,590,636.75 : x - Step 2: Convert to fraction form
8,458,115.09/11,672,210.07 = 4,590,636.75/x - Step 3: Cross multiply
8,458,115.09x = 11,672,210.07 × 4,590,636.75 - Step 4: Simplify right side
8,458,115.09x = 53,582,876,501,062.07 - Step 5: Solve for x
x = 53,582,876,501,062.07/8,458,115.09 - Step 6: Final answer
x = 6,335,084.82
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1.5x scale
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.