Finding the Fourth Proportional to 15,694,599.20, 23,542,676.40 and 8,136,327.20
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Solution
The fourth proportional to 15,694,599.20, 23,542,676.40 and 8,136,327.20 is: 12,204,893.92
Step by Step Solution
- Step 1: Write the proportion equation
15,694,599.20 : 23,542,676.40 = 8,136,327.20 : x - Step 2: Convert to fraction form
15,694,599.20/23,542,676.40 = 8,136,327.20/x - Step 3: Cross multiply
15,694,599.20x = 23,542,676.40 × 8,136,327.20 - Step 4: Simplify right side
15,694,599.20x = 191,550,918,354,118.06 - Step 5: Solve for x
x = 191,550,918,354,118.06/15,694,599.20 - Step 6: Final answer
x = 12,204,893.92
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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.