Finding the Fourth Proportional to 8,458,541.15, 11,672,474.06 and 4,590,979.88
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Solution
The fourth proportional to 8,458,541.15, 11,672,474.06 and 4,590,979.88 is: 6,335,382.50
Step by Step Solution
- Step 1: Write the proportion equation
8,458,541.15 : 11,672,474.06 = 4,590,979.88 : x - Step 2: Convert to fraction form
8,458,541.15/11,672,474.06 = 4,590,979.88/x - Step 3: Cross multiply
8,458,541.15x = 11,672,474.06 × 4,590,979.88 - Step 4: Simplify right side
8,458,541.15x = 53,588,093,559,281.91 - Step 5: Solve for x
x = 53,588,093,559,281.91/8,458,541.15 - Step 6: Final answer
x = 6,335,382.50
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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.