Finding the Fourth Proportional to 30,632,239.62, 42,273,376.50 and 16,882,089.48
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Solution
The fourth proportional to 30,632,239.62, 42,273,376.50 and 16,882,089.48 is: 23,297,771.68
Step by Step Solution
- Step 1: Write the proportion equation
30,632,239.62 : 42,273,376.50 = 16,882,089.48 : x - Step 2: Convert to fraction form
30,632,239.62/42,273,376.50 = 16,882,089.48/x - Step 3: Cross multiply
30,632,239.62x = 42,273,376.50 × 16,882,089.48 - Step 4: Simplify right side
30,632,239.62x = 713,662,924,694,729.25 - Step 5: Solve for x
x = 713,662,924,694,729.25/30,632,239.62 - Step 6: Final answer
x = 23,297,771.68
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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.