Finding the Fourth Proportional to 7,022,294.58, 9,691,554.63 and 3,966,705.66
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Solution
The fourth proportional to 7,022,294.58, 9,691,554.63 and 3,966,705.66 is: 5,474,498.99
Step by Step Solution
- Step 1: Write the proportion equation
7,022,294.58 : 9,691,554.63 = 3,966,705.66 : x - Step 2: Convert to fraction form
7,022,294.58/9,691,554.63 = 3,966,705.66/x - Step 3: Cross multiply
7,022,294.58x = 9,691,554.63 × 3,966,705.66 - Step 4: Simplify right side
7,022,294.58x = 38,443,544,605,020.21 - Step 5: Solve for x
x = 38,443,544,605,020.21/7,022,294.58 - Step 6: Final answer
x = 5,474,498.99
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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.