Finding the Fourth Proportional to 21,060,173.21, 29,064,161.70 and 11,767,968.84
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Solution
The fourth proportional to 21,060,173.21, 29,064,161.70 and 11,767,968.84 is: 16,240,424.32
Step by Step Solution
- Step 1: Write the proportion equation
21,060,173.21 : 29,064,161.70 = 11,767,968.84 : x - Step 2: Convert to fraction form
21,060,173.21/29,064,161.70 = 11,767,968.84/x - Step 3: Cross multiply
21,060,173.21x = 29,064,161.70 × 11,767,968.84 - Step 4: Simplify right side
21,060,173.21x = 342,026,149,093,200.94 - Step 5: Solve for x
x = 342,026,149,093,200.94/21,060,173.21 - Step 6: Final answer
x = 16,240,424.32
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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.