Finding the Fourth Proportional to 17,220,669.80, 25,831,040.22 and 16,168,416.62
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Solution
The fourth proportional to 17,220,669.80, 25,831,040.22 and 16,168,416.62 is: 24,252,658.28
Step by Step Solution
- Step 1: Write the proportion equation
17,220,669.80 : 25,831,040.22 = 16,168,416.62 : x - Step 2: Convert to fraction form
17,220,669.80/25,831,040.22 = 16,168,416.62/x - Step 3: Cross multiply
17,220,669.80x = 25,831,040.22 × 16,168,416.62 - Step 4: Simplify right side
17,220,669.80x = 417,647,020,004,936.44 - Step 5: Solve for x
x = 417,647,020,004,936.44/17,220,669.80 - Step 6: Final answer
x = 24,252,658.28
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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.