Finding the Fourth Proportional to 16,379,421.62, 22,611,792.80 and 10,186,463.48
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Solution
The fourth proportional to 16,379,421.62, 22,611,792.80 and 10,186,463.48 is: 14,062,413.62
Step by Step Solution
- Step 1: Write the proportion equation
16,379,421.62 : 22,611,792.80 = 10,186,463.48 : x - Step 2: Convert to fraction form
16,379,421.62/22,611,792.80 = 10,186,463.48/x - Step 3: Cross multiply
16,379,421.62x = 22,611,792.80 × 10,186,463.48 - Step 4: Simplify right side
16,379,421.62x = 230,334,201,647,831.22 - Step 5: Solve for x
x = 230,334,201,647,831.22/16,379,421.62 - Step 6: Final answer
x = 14,062,413.62
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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.