Finding the Fourth Proportional to 43,126,205.81, 64,651,517.35 and 16,218,757.49
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Solution
The fourth proportional to 43,126,205.81, 64,651,517.35 and 16,218,757.49 is: 24,313,923.78
Step by Step Solution
- Step 1: Write the proportion equation
43,126,205.81 : 64,651,517.35 = 16,218,757.49 : x - Step 2: Convert to fraction form
43,126,205.81/64,651,517.35 = 16,218,757.49/x - Step 3: Cross multiply
43,126,205.81x = 64,651,517.35 × 16,218,757.49 - Step 4: Simplify right side
43,126,205.81x = 1,048,567,280,896,372.88 - Step 5: Solve for x
x = 1,048,567,280,896,372.88/43,126,205.81 - Step 6: Final answer
x = 24,313,923.78
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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.