Finding the Fourth Proportional to 7,351,511.20, 10,302,744.50 and 7,351,511.20
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Solution
The fourth proportional to 7,351,511.20, 10,302,744.50 and 7,351,511.20 is: 10,302,744.50
Step by Step Solution
- Step 1: Write the proportion equation
7,351,511.20 : 10,302,744.50 = 7,351,511.20 : x - Step 2: Convert to fraction form
7,351,511.20/10,302,744.50 = 7,351,511.20/x - Step 3: Cross multiply
7,351,511.20x = 10,302,744.50 × 7,351,511.20 - Step 4: Simplify right side
7,351,511.20x = 75,740,741,582,488.41 - Step 5: Solve for x
x = 75,740,741,582,488.41/7,351,511.20 - Step 6: Final answer
x = 10,302,744.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.