Finding the Fourth Proportional to 18,591,868.09, 25,657,400.97 and 10,332,278.44
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Solution
The fourth proportional to 18,591,868.09, 25,657,400.97 and 10,332,278.44 is: 14,258,890.48
Step by Step Solution
- Step 1: Write the proportion equation
18,591,868.09 : 25,657,400.97 = 10,332,278.44 : x - Step 2: Convert to fraction form
18,591,868.09/25,657,400.97 = 10,332,278.44/x - Step 3: Cross multiply
18,591,868.09x = 25,657,400.97 × 10,332,278.44 - Step 4: Simplify right side
18,591,868.09x = 265,099,410,868,766.06 - Step 5: Solve for x
x = 265,099,410,868,766.06/18,591,868.09 - Step 6: Final answer
x = 14,258,890.48
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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.