Finding the Fourth Proportional to 8,458,406.97, 11,672,288.89 and 4,590,845.09
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Solution
The fourth proportional to 8,458,406.97, 11,672,288.89 and 4,590,845.09 is: 6,335,196.49
Step by Step Solution
- Step 1: Write the proportion equation
8,458,406.97 : 11,672,288.89 = 4,590,845.09 : x - Step 2: Convert to fraction form
8,458,406.97/11,672,288.89 = 4,590,845.09/x - Step 3: Cross multiply
8,458,406.97x = 11,672,288.89 × 4,590,845.09 - Step 4: Simplify right side
8,458,406.97x = 53,585,670,139,718.05 - Step 5: Solve for x
x = 53,585,670,139,718.05/8,458,406.97 - Step 6: Final answer
x = 6,335,196.49
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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.