Finding the Fourth Proportional to 7,202,966.99, 10,804,468.94 and 2,943,135.22
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Solution
The fourth proportional to 7,202,966.99, 10,804,468.94 and 2,943,135.22 is: 4,414,710.37
Step by Step Solution
- Step 1: Write the proportion equation
7,202,966.99 : 10,804,468.94 = 2,943,135.22 : x - Step 2: Convert to fraction form
7,202,966.99/10,804,468.94 = 2,943,135.22/x - Step 3: Cross multiply
7,202,966.99x = 10,804,468.94 × 2,943,135.22 - Step 4: Simplify right side
7,202,966.99x = 31,799,013,040,019.98 - Step 5: Solve for x
x = 31,799,013,040,019.98/7,202,966.99 - Step 6: Final answer
x = 4,414,710.37
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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.