Finding the Fourth Proportional to 11,290,668.93, 15,581,039.99 and 6,134,072.85
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Solution
The fourth proportional to 11,290,668.93, 15,581,039.99 and 6,134,072.85 is: 8,464,975.36
Step by Step Solution
- Step 1: Write the proportion equation
11,290,668.93 : 15,581,039.99 = 6,134,072.85 : x - Step 2: Convert to fraction form
11,290,668.93/15,581,039.99 = 6,134,072.85/x - Step 3: Cross multiply
11,290,668.93x = 15,581,039.99 × 6,134,072.85 - Step 4: Simplify right side
11,290,668.93x = 95,575,234,346,752.89 - Step 5: Solve for x
x = 95,575,234,346,752.89/11,290,668.93 - Step 6: Final answer
x = 8,464,975.36
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.