Finding the Fourth Proportional to 13,543,945.36, 20,318,928.81 and 6,351,645.94
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Solution
The fourth proportional to 13,543,945.36, 20,318,928.81 and 6,351,645.94 is: 9,528,880.86
Step by Step Solution
- Step 1: Write the proportion equation
13,543,945.36 : 20,318,928.81 = 6,351,645.94 : x - Step 2: Convert to fraction form
13,543,945.36/20,318,928.81 = 6,351,645.94/x - Step 3: Cross multiply
13,543,945.36x = 20,318,928.81 × 6,351,645.94 - Step 4: Simplify right side
13,543,945.36x = 129,058,641,681,185.53 - Step 5: Solve for x
x = 129,058,641,681,185.53/13,543,945.36 - Step 6: Final answer
x = 9,528,880.86
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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.