Finding the Fourth Proportional to 7,676,147.68, 11,464,453.91 and 6,955,048.66
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Solution
The fourth proportional to 7,676,147.68, 11,464,453.91 and 6,955,048.66 is: 10,387,480.56
Step by Step Solution
- Step 1: Write the proportion equation
7,676,147.68 : 11,464,453.91 = 6,955,048.66 : x - Step 2: Convert to fraction form
7,676,147.68/11,464,453.91 = 6,955,048.66/x - Step 3: Cross multiply
7,676,147.68x = 11,464,453.91 × 6,955,048.66 - Step 4: Simplify right side
7,676,147.68x = 79,735,834,793,103.73 - Step 5: Solve for x
x = 79,735,834,793,103.73/7,676,147.68 - Step 6: Final answer
x = 10,387,480.56
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.