Finding the Fourth Proportional to 7,469,174.70, 11,203,762.05 and 7,398,315.90
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Solution
The fourth proportional to 7,469,174.70, 11,203,762.05 and 7,398,315.90 is: 11,097,473.85
Step by Step Solution
- Step 1: Write the proportion equation
7,469,174.70 : 11,203,762.05 = 7,398,315.90 : x - Step 2: Convert to fraction form
7,469,174.70/11,203,762.05 = 7,398,315.90/x - Step 3: Cross multiply
7,469,174.70x = 11,203,762.05 × 7,398,315.90 - Step 4: Simplify right side
7,469,174.70x = 82,888,970,914,331.61 - Step 5: Solve for x
x = 82,888,970,914,331.61/7,469,174.70 - Step 6: Final answer
x = 11,097,473.85
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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.