Finding the Fourth Proportional to 16,129,793.60, 24,194,690.40 and 8,067,636.80
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Solution
The fourth proportional to 16,129,793.60, 24,194,690.40 and 8,067,636.80 is: 12,101,455.20
Step by Step Solution
- Step 1: Write the proportion equation
16,129,793.60 : 24,194,690.40 = 8,067,636.80 : x - Step 2: Convert to fraction form
16,129,793.60/24,194,690.40 = 8,067,636.80/x - Step 3: Cross multiply
16,129,793.60x = 24,194,690.40 × 8,067,636.80 - Step 4: Simplify right side
16,129,793.60x = 195,193,974,635,646.72 - Step 5: Solve for x
x = 195,193,974,635,646.72/16,129,793.60 - Step 6: Final answer
x = 12,101,455.20
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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.