Finding the Fourth Proportional to 27,150,413.10, 40,726,603.80 and 7,983,107.70
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Solution
The fourth proportional to 27,150,413.10, 40,726,603.80 and 7,983,107.70 is: 11,974,950.92
Step by Step Solution
- Step 1: Write the proportion equation
27,150,413.10 : 40,726,603.80 = 7,983,107.70 : x - Step 2: Convert to fraction form
27,150,413.10/40,726,603.80 = 7,983,107.70/x - Step 3: Cross multiply
27,150,413.10x = 40,726,603.80 × 7,983,107.70 - Step 4: Simplify right side
27,150,413.10x = 325,124,864,390,629.25 - Step 5: Solve for x
x = 325,124,864,390,629.25/27,150,413.10 - Step 6: Final answer
x = 11,974,950.92
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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.