Finding the Fourth Proportional to 16,131,462.44, 22,261,137.84 and 8,789,355.90
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Solution
The fourth proportional to 16,131,462.44, 22,261,137.84 and 8,789,355.90 is: 12,129,158.41
Step by Step Solution
- Step 1: Write the proportion equation
16,131,462.44 : 22,261,137.84 = 8,789,355.90 : x - Step 2: Convert to fraction form
16,131,462.44/22,261,137.84 = 8,789,355.90/x - Step 3: Cross multiply
16,131,462.44x = 22,261,137.84 × 8,789,355.90 - Step 4: Simplify right side
16,131,462.44x = 195,661,063,214,717.25 - Step 5: Solve for x
x = 195,661,063,214,717.25/16,131,462.44 - Step 6: Final answer
x = 12,129,158.41
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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.