Finding the Fourth Proportional to 10,685,987.09, 14,738,593.57 and 6,713,413.37
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Solution
The fourth proportional to 10,685,987.09, 14,738,593.57 and 6,713,413.37 is: 9,259,441.39
Step by Step Solution
- Step 1: Write the proportion equation
10,685,987.09 : 14,738,593.57 = 6,713,413.37 : x - Step 2: Convert to fraction form
10,685,987.09/14,738,593.57 = 6,713,413.37/x - Step 3: Cross multiply
10,685,987.09x = 14,738,593.57 × 6,713,413.37 - Step 4: Simplify right side
10,685,987.09x = 98,946,271,127,834.03 - Step 5: Solve for x
x = 98,946,271,127,834.03/10,685,987.09 - Step 6: Final answer
x = 9,259,441.39
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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.