Finding the Fourth Proportional to 7,256,055.97, 10,885,658.60 and 2,207,235.25
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Solution
The fourth proportional to 7,256,055.97, 10,885,658.60 and 2,207,235.25 is: 3,311,331.87
Step by Step Solution
- Step 1: Write the proportion equation
7,256,055.97 : 10,885,658.60 = 2,207,235.25 : x - Step 2: Convert to fraction form
7,256,055.97/10,885,658.60 = 2,207,235.25/x - Step 3: Cross multiply
7,256,055.97x = 10,885,658.60 × 2,207,235.25 - Step 4: Simplify right side
7,256,055.97x = 24,027,209,381,385.65 - Step 5: Solve for x
x = 24,027,209,381,385.65/7,256,055.97 - Step 6: Final answer
x = 3,311,331.87
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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.