Finding the Fourth Proportional to 18,509,528.31, 25,542,835.27 and 10,249,413.99
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Solution
The fourth proportional to 18,509,528.31, 25,542,835.27 and 10,249,413.99 is: 14,144,017.54
Step by Step Solution
- Step 1: Write the proportion equation
18,509,528.31 : 25,542,835.27 = 10,249,413.99 : x - Step 2: Convert to fraction form
18,509,528.31/25,542,835.27 = 10,249,413.99/x - Step 3: Cross multiply
18,509,528.31x = 25,542,835.27 × 10,249,413.99 - Step 4: Simplify right side
18,509,528.31x = 261,799,093,160,603.44 - Step 5: Solve for x
x = 261,799,093,160,603.44/18,509,528.31 - Step 6: Final answer
x = 14,144,017.54
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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.