Finding the Fourth Proportional to 14,648,995.50, 20,213,450.79 and 8,122,672.44
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Solution
The fourth proportional to 14,648,995.50, 20,213,450.79 and 8,122,672.44 is: 11,208,088.61
Step by Step Solution
- Step 1: Write the proportion equation
14,648,995.50 : 20,213,450.79 = 8,122,672.44 : x - Step 2: Convert to fraction form
14,648,995.50/20,213,450.79 = 8,122,672.44/x - Step 3: Cross multiply
14,648,995.50x = 20,213,450.79 × 8,122,672.44 - Step 4: Simplify right side
14,648,995.50x = 164,187,239,649,229.22 - Step 5: Solve for x
x = 164,187,239,649,229.22/14,648,995.50 - Step 6: Final answer
x = 11,208,088.61
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1.5x scale
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.