Finding the Fourth Proportional to 16,256,782.60, 24,385,173.90 and 8,194,625.80
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Solution
The fourth proportional to 16,256,782.60, 24,385,173.90 and 8,194,625.80 is: 12,291,938.70
Step by Step Solution
- Step 1: Write the proportion equation
16,256,782.60 : 24,385,173.90 = 8,194,625.80 : x - Step 2: Convert to fraction form
16,256,782.60/24,385,173.90 = 8,194,625.80/x - Step 3: Cross multiply
16,256,782.60x = 24,385,173.90 × 8,194,625.80 - Step 4: Simplify right side
16,256,782.60x = 199,827,375,178,426.59 - Step 5: Solve for x
x = 199,827,375,178,426.59/16,256,782.60 - Step 6: Final answer
x = 12,291,938.70
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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.