Finding the Fourth Proportional to 11,088,363.40, 16,644,986.70 and 8,575,160.20
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Solution
The fourth proportional to 11,088,363.40, 16,644,986.70 and 8,575,160.20 is: 12,872,361.98
Step by Step Solution
- Step 1: Write the proportion equation
11,088,363.40 : 16,644,986.70 = 8,575,160.20 : x - Step 2: Convert to fraction form
11,088,363.40/16,644,986.70 = 8,575,160.20/x - Step 3: Cross multiply
11,088,363.40x = 16,644,986.70 × 8,575,160.20 - Step 4: Simplify right side
11,088,363.40x = 142,733,427,479,369.31 - Step 5: Solve for x
x = 142,733,427,479,369.31/11,088,363.40 - Step 6: Final answer
x = 12,872,361.98
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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.