Finding the Fourth Proportional to 20,676,885.93, 31,015,336.19 and 9,304,048.53
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Solution
The fourth proportional to 20,676,885.93, 31,015,336.19 and 9,304,048.53 is: 13,956,076.08
Step by Step Solution
- Step 1: Write the proportion equation
20,676,885.93 : 31,015,336.19 = 9,304,048.53 : x - Step 2: Convert to fraction form
20,676,885.93/31,015,336.19 = 9,304,048.53/x - Step 3: Cross multiply
20,676,885.93x = 31,015,336.19 × 9,304,048.53 - Step 4: Simplify right side
20,676,885.93x = 288,568,193,039,505 - Step 5: Solve for x
x = 288,568,193,039,505/20,676,885.93 - Step 6: Final answer
x = 13,956,076.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.