Finding the Fourth Proportional to 7,519,240.26, 11,279,079.09 and 1,839,462.75
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Solution
The fourth proportional to 7,519,240.26, 11,279,079.09 and 1,839,462.75 is: 2,759,247.63
Step by Step Solution
- Step 1: Write the proportion equation
7,519,240.26 : 11,279,079.09 = 1,839,462.75 : x - Step 2: Convert to fraction form
7,519,240.26/11,279,079.09 = 1,839,462.75/x - Step 3: Cross multiply
7,519,240.26x = 11,279,079.09 × 1,839,462.75 - Step 4: Simplify right side
7,519,240.26x = 20,747,445,840,358.90 - Step 5: Solve for x
x = 20,747,445,840,358.90/7,519,240.26 - Step 6: Final answer
x = 2,759,247.63
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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.