Finding the Fourth Proportional to 7,351,036.65, 11,026,554.98 and 5,319,751.05
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Solution
The fourth proportional to 7,351,036.65, 11,026,554.98 and 5,319,751.05 is: 7,979,626.58
Step by Step Solution
- Step 1: Write the proportion equation
7,351,036.65 : 11,026,554.98 = 5,319,751.05 : x - Step 2: Convert to fraction form
7,351,036.65/11,026,554.98 = 5,319,751.05/x - Step 3: Cross multiply
7,351,036.65x = 11,026,554.98 × 5,319,751.05 - Step 4: Simplify right side
7,351,036.65x = 58,658,527,406,138.97 - Step 5: Solve for x
x = 58,658,527,406,138.97/7,351,036.65 - Step 6: Final answer
x = 7,979,626.58
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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.