Finding the Fourth Proportional to 10,355,995.62, 15,534,616.19 and 3,167,591.81
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Solution
The fourth proportional to 10,355,995.62, 15,534,616.19 and 3,167,591.81 is: 4,751,578.19
Step by Step Solution
- Step 1: Write the proportion equation
10,355,995.62 : 15,534,616.19 = 3,167,591.81 : x - Step 2: Convert to fraction form
10,355,995.62/15,534,616.19 = 3,167,591.81/x - Step 3: Cross multiply
10,355,995.62x = 15,534,616.19 × 3,167,591.81 - Step 4: Simplify right side
10,355,995.62x = 49,207,322,921,426.37 - Step 5: Solve for x
x = 49,207,322,921,426.37/10,355,995.62 - Step 6: Final answer
x = 4,751,578.19
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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.