Finding the Fourth Proportional to 7,070,596.92, 9,757,149.06 and 4,321,886.62
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Solution
The fourth proportional to 7,070,596.92, 9,757,149.06 and 4,321,886.62 is: 5,964,035.63
Step by Step Solution
- Step 1: Write the proportion equation
7,070,596.92 : 9,757,149.06 = 4,321,886.62 : x - Step 2: Convert to fraction form
7,070,596.92/9,757,149.06 = 4,321,886.62/x - Step 3: Cross multiply
7,070,596.92x = 9,757,149.06 × 4,321,886.62 - Step 4: Simplify right side
7,070,596.92x = 42,169,291,971,759.58 - Step 5: Solve for x
x = 42,169,291,971,759.58/7,070,596.92 - Step 6: Final answer
x = 5,964,035.63
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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.