Finding the Fourth Proportional to 7,241,192.44, 9,991,122.82 and 4,101,483.30
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Solution
The fourth proportional to 7,241,192.44, 9,991,122.82 and 4,101,483.30 is: 5,659,071.17
Step by Step Solution
- Step 1: Write the proportion equation
7,241,192.44 : 9,991,122.82 = 4,101,483.30 : x - Step 2: Convert to fraction form
7,241,192.44/9,991,122.82 = 4,101,483.30/x - Step 3: Cross multiply
7,241,192.44x = 9,991,122.82 × 4,101,483.30 - Step 4: Simplify right side
7,241,192.44x = 40,978,423,394,478.91 - Step 5: Solve for x
x = 40,978,423,394,478.91/7,241,192.44 - Step 6: Final answer
x = 5,659,071.17
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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.