Finding the Fourth Proportional to 19,024,721.86, 28,546,413.99 and 8,928,163.78
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Solution
The fourth proportional to 19,024,721.86, 28,546,413.99 and 8,928,163.78 is: 13,396,624.73
Step by Step Solution
- Step 1: Write the proportion equation
19,024,721.86 : 28,546,413.99 = 8,928,163.78 : x - Step 2: Convert to fraction form
19,024,721.86/28,546,413.99 = 8,928,163.78/x - Step 3: Cross multiply
19,024,721.86x = 28,546,413.99 × 8,928,163.78 - Step 4: Simplify right side
19,024,721.86x = 254,867,059,434,403.25 - Step 5: Solve for x
x = 254,867,059,434,403.25/19,024,721.86 - Step 6: Final answer
x = 13,396,624.73
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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.