Finding the Fourth Proportional to 11,965,706.27, 17,948,924.50 and 4,678,874.99
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Solution
The fourth proportional to 11,965,706.27, 17,948,924.50 and 4,678,874.99 is: 7,018,455.24
Step by Step Solution
- Step 1: Write the proportion equation
11,965,706.27 : 17,948,924.50 = 4,678,874.99 : x - Step 2: Convert to fraction form
11,965,706.27/17,948,924.50 = 4,678,874.99/x - Step 3: Cross multiply
11,965,706.27x = 17,948,924.50 × 4,678,874.99 - Step 4: Simplify right side
11,965,706.27x = 83,980,773,850,703.64 - Step 5: Solve for x
x = 83,980,773,850,703.64/11,965,706.27 - Step 6: Final answer
x = 7,018,455.24
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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.