Finding the Fourth Proportional to 19,743,818.90, 29,593,609.95 and 11,228,234.90
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Solution
The fourth proportional to 19,743,818.90, 29,593,609.95 and 11,228,234.90 is: 16,829,773.70
Step by Step Solution
- Step 1: Write the proportion equation
19,743,818.90 : 29,593,609.95 = 11,228,234.90 : x - Step 2: Convert to fraction form
19,743,818.90/29,593,609.95 = 11,228,234.90/x - Step 3: Cross multiply
19,743,818.90x = 29,593,609.95 × 11,228,234.90 - Step 4: Simplify right side
19,743,818.90x = 332,284,004,057,577.25 - Step 5: Solve for x
x = 332,284,004,057,577.25/19,743,818.90 - Step 6: Final answer
x = 16,829,773.70
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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.