Finding the Fourth Proportional to 25,889,852.60, 38,866,727.70 and 16,305,212.60
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Solution
The fourth proportional to 25,889,852.60, 38,866,727.70 and 16,305,212.60 is: 24,477,939.99
Step by Step Solution
- Step 1: Write the proportion equation
25,889,852.60 : 38,866,727.70 = 16,305,212.60 : x - Step 2: Convert to fraction form
25,889,852.60/38,866,727.70 = 16,305,212.60/x - Step 3: Cross multiply
25,889,852.60x = 38,866,727.70 × 16,305,212.60 - Step 4: Simplify right side
25,889,852.60x = 633,730,258,214,809 - Step 5: Solve for x
x = 633,730,258,214,809/25,889,852.60 - Step 6: Final answer
x = 24,477,939.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.