Finding the Fourth Proportional to 16,629,784.40, 24,930,679.80 and 8,651,608.40
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Solution
The fourth proportional to 16,629,784.40, 24,930,679.80 and 8,651,608.40 is: 12,970,130.80
Step by Step Solution
- Step 1: Write the proportion equation
16,629,784.40 : 24,930,679.80 = 8,651,608.40 : x - Step 2: Convert to fraction form
16,629,784.40/24,930,679.80 = 8,651,608.40/x - Step 3: Cross multiply
16,629,784.40x = 24,930,679.80 × 8,651,608.40 - Step 4: Simplify right side
16,629,784.40x = 215,690,478,775,390.34 - Step 5: Solve for x
x = 215,690,478,775,390.34/16,629,784.40 - Step 6: Final answer
x = 12,970,130.80
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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.