Finding the Fourth Proportional to 10,393,413.12, 14,335,793.36 and 6,776,640
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Solution
The fourth proportional to 10,393,413.12, 14,335,793.36 and 6,776,640 is: 9,347,122.99
Step by Step Solution
- Step 1: Write the proportion equation
10,393,413.12 : 14,335,793.36 = 6,776,640 : x - Step 2: Convert to fraction form
10,393,413.12/14,335,793.36 = 6,776,640/x - Step 3: Cross multiply
10,393,413.12x = 14,335,793.36 × 6,776,640 - Step 4: Simplify right side
10,393,413.12x = 97,148,510,715,110.39 - Step 5: Solve for x
x = 97,148,510,715,110.39/10,393,413.12 - Step 6: Final answer
x = 9,347,122.99
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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.