Finding the Fourth Proportional to 10,346,554.32, 14,278,249.44 and 5,998,161.60
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Solution
The fourth proportional to 10,346,554.32, 14,278,249.44 and 5,998,161.60 is: 8,277,465.60
Step by Step Solution
- Step 1: Write the proportion equation
10,346,554.32 : 14,278,249.44 = 5,998,161.60 : x - Step 2: Convert to fraction form
10,346,554.32/14,278,249.44 = 5,998,161.60/x - Step 3: Cross multiply
10,346,554.32x = 14,278,249.44 × 5,998,161.60 - Step 4: Simplify right side
10,346,554.32x = 85,643,247,506,229.50 - Step 5: Solve for x
x = 85,643,247,506,229.50/10,346,554.32 - Step 6: Final answer
x = 8,277,465.60
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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.