Finding the Fourth Proportional to 21,846,743.70, 32,770,115.55 and 8,199,863.70
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Solution
The fourth proportional to 21,846,743.70, 32,770,115.55 and 8,199,863.70 is: 12,299,795.55
Step by Step Solution
- Step 1: Write the proportion equation
21,846,743.70 : 32,770,115.55 = 8,199,863.70 : x - Step 2: Convert to fraction form
21,846,743.70/32,770,115.55 = 8,199,863.70/x - Step 3: Cross multiply
21,846,743.70x = 32,770,115.55 × 8,199,863.70 - Step 4: Simplify right side
21,846,743.70x = 268,710,480,943,250.56 - Step 5: Solve for x
x = 268,710,480,943,250.56/21,846,743.70 - Step 6: Final answer
x = 12,299,795.55
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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.