Finding the Fourth Proportional to 7,473,890.70, 11,193,121.35 and 7,473,890.70
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Solution
The fourth proportional to 7,473,890.70, 11,193,121.35 and 7,473,890.70 is: 11,193,121.35
Step by Step Solution
- Step 1: Write the proportion equation
7,473,890.70 : 11,193,121.35 = 7,473,890.70 : x - Step 2: Convert to fraction form
7,473,890.70/11,193,121.35 = 7,473,890.70/x - Step 3: Cross multiply
7,473,890.70x = 11,193,121.35 × 7,473,890.70 - Step 4: Simplify right side
7,473,890.70x = 83,656,165,561,736.44 - Step 5: Solve for x
x = 83,656,165,561,736.44/7,473,890.70 - Step 6: Final answer
x = 11,193,121.35
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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.