Finding the Fourth Proportional to 23,163,315.99, 31,965,413.73 and 12,850,039.20
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Solution
The fourth proportional to 23,163,315.99, 31,965,413.73 and 12,850,039.20 is: 17,733,074.99
Step by Step Solution
- Step 1: Write the proportion equation
23,163,315.99 : 31,965,413.73 = 12,850,039.20 : x - Step 2: Convert to fraction form
23,163,315.99/31,965,413.73 = 12,850,039.20/x - Step 3: Cross multiply
23,163,315.99x = 31,965,413.73 × 12,850,039.20 - Step 4: Simplify right side
23,163,315.99x = 410,756,819,474,718.19 - Step 5: Solve for x
x = 410,756,819,474,718.19/23,163,315.99 - Step 6: Final answer
x = 17,733,074.99
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1.5x scale
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.