Finding the Fourth Proportional to 17,558,982.80, 26,394,461.40 and 16,551,213.20
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Solution
The fourth proportional to 17,558,982.80, 26,394,461.40 and 16,551,213.20 is: 24,879,593.70
Step by Step Solution
- Step 1: Write the proportion equation
17,558,982.80 : 26,394,461.40 = 16,551,213.20 : x - Step 2: Convert to fraction form
17,558,982.80/26,394,461.40 = 16,551,213.20/x - Step 3: Cross multiply
17,558,982.80x = 26,394,461.40 × 16,551,213.20 - Step 4: Simplify right side
17,558,982.80x = 436,860,357,930,570.44 - Step 5: Solve for x
x = 436,860,357,930,570.44/17,558,982.80 - Step 6: Final answer
x = 24,879,593.70
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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.