Finding the Fourth Proportional to 18,440,486.70, 27,597,744.45 and 16,173,005.10
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Solution
The fourth proportional to 18,440,486.70, 27,597,744.45 and 16,173,005.10 is: 24,204,266.89
Step by Step Solution
- Step 1: Write the proportion equation
18,440,486.70 : 27,597,744.45 = 16,173,005.10 : x - Step 2: Convert to fraction form
18,440,486.70/27,597,744.45 = 16,173,005.10/x - Step 3: Cross multiply
18,440,486.70x = 27,597,744.45 × 16,173,005.10 - Step 4: Simplify right side
18,440,486.70x = 446,338,461,738,346.69 - Step 5: Solve for x
x = 446,338,461,738,346.69/18,440,486.70 - Step 6: Final answer
x = 24,204,266.89
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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.