Finding the Fourth Proportional to 21,624,855.67, 29,842,379.91 and 11,701,738.45
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Solution
The fourth proportional to 21,624,855.67, 29,842,379.91 and 11,701,738.45 is: 16,148,441.86
Step by Step Solution
- Step 1: Write the proportion equation
21,624,855.67 : 29,842,379.91 = 11,701,738.45 : x - Step 2: Convert to fraction form
21,624,855.67/29,842,379.91 = 11,701,738.45/x - Step 3: Cross multiply
21,624,855.67x = 29,842,379.91 × 11,701,738.45 - Step 4: Simplify right side
21,624,855.67x = 349,207,724,432,354.50 - Step 5: Solve for x
x = 349,207,724,432,354.50/21,624,855.67 - Step 6: Final answer
x = 16,148,441.86
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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.