Finding the Fourth Proportional to 7,469,176.70, 11,203,765.05 and 7,398,317.90
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Solution
The fourth proportional to 7,469,176.70, 11,203,765.05 and 7,398,317.90 is: 11,097,476.85
Step by Step Solution
- Step 1: Write the proportion equation
7,469,176.70 : 11,203,765.05 = 7,398,317.90 : x - Step 2: Convert to fraction form
7,469,176.70/11,203,765.05 = 7,398,317.90/x - Step 3: Cross multiply
7,469,176.70x = 11,203,765.05 × 7,398,317.90 - Step 4: Simplify right side
7,469,176.70x = 82,889,015,516,809.41 - Step 5: Solve for x
x = 82,889,015,516,809.41/7,469,176.70 - Step 6: Final answer
x = 11,097,476.85
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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.