Finding the Fourth Proportional to 14,136,115.49, 21,192,028.94 and 4,912,889.66
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Solution
The fourth proportional to 14,136,115.49, 21,192,028.94 and 4,912,889.66 is: 7,365,113.84
Step by Step Solution
- Step 1: Write the proportion equation
14,136,115.49 : 21,192,028.94 = 4,912,889.66 : x - Step 2: Convert to fraction form
14,136,115.49/21,192,028.94 = 4,912,889.66/x - Step 3: Cross multiply
14,136,115.49x = 21,192,028.94 × 4,912,889.66 - Step 4: Simplify right side
14,136,115.49x = 104,114,099,811,903.95 - Step 5: Solve for x
x = 104,114,099,811,903.95/14,136,115.49 - Step 6: Final answer
x = 7,365,113.84
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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.