Finding the Fourth Proportional to 10,968,422.07, 15,136,413.13 and 6,073,644.08
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Solution
The fourth proportional to 10,968,422.07, 15,136,413.13 and 6,073,644.08 is: 8,381,623.67
Step by Step Solution
- Step 1: Write the proportion equation
10,968,422.07 : 15,136,413.13 = 6,073,644.08 : x - Step 2: Convert to fraction form
10,968,422.07/15,136,413.13 = 6,073,644.08/x - Step 3: Cross multiply
10,968,422.07x = 15,136,413.13 × 6,073,644.08 - Step 4: Simplify right side
10,968,422.07x = 91,933,185,999,458.78 - Step 5: Solve for x
x = 91,933,185,999,458.78/10,968,422.07 - Step 6: Final answer
x = 8,381,623.67
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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.