Finding the Fourth Proportional to 7,044,218.16, 9,721,299.84 and 3,946,768.26
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Solution
The fourth proportional to 7,044,218.16, 9,721,299.84 and 3,946,768.26 is: 5,446,696.39
Step by Step Solution
- Step 1: Write the proportion equation
7,044,218.16 : 9,721,299.84 = 3,946,768.26 : x - Step 2: Convert to fraction form
7,044,218.16/9,721,299.84 = 3,946,768.26/x - Step 3: Cross multiply
7,044,218.16x = 9,721,299.84 × 3,946,768.26 - Step 4: Simplify right side
7,044,218.16x = 38,367,717,654,455.08 - Step 5: Solve for x
x = 38,367,717,654,455.08/7,044,218.16 - Step 6: Final answer
x = 5,446,696.39
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1.5x scale
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.