Finding the Fourth Proportional to 7,114,790.43, 9,818,413.83 and 3,851,605.08
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Solution
The fourth proportional to 7,114,790.43, 9,818,413.83 and 3,851,605.08 is: 5,315,216.65
Step by Step Solution
- Step 1: Write the proportion equation
7,114,790.43 : 9,818,413.83 = 3,851,605.08 : x - Step 2: Convert to fraction form
7,114,790.43/9,818,413.83 = 3,851,605.08/x - Step 3: Cross multiply
7,114,790.43x = 9,818,413.83 × 3,851,605.08 - Step 4: Simplify right side
7,114,790.43x = 37,816,652,585,170.26 - Step 5: Solve for x
x = 37,816,652,585,170.26/7,114,790.43 - Step 6: Final answer
x = 5,315,216.65
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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.