Finding the Fourth Proportional to 16,129,181.60, 24,193,772.40 and 8,067,024.80
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Solution
The fourth proportional to 16,129,181.60, 24,193,772.40 and 8,067,024.80 is: 12,100,537.20
Step by Step Solution
- Step 1: Write the proportion equation
16,129,181.60 : 24,193,772.40 = 8,067,024.80 : x - Step 2: Convert to fraction form
16,129,181.60/24,193,772.40 = 8,067,024.80/x - Step 3: Cross multiply
16,129,181.60x = 24,193,772.40 × 8,067,024.80 - Step 4: Simplify right side
16,129,181.60x = 195,171,761,956,355.50 - Step 5: Solve for x
x = 195,171,761,956,355.50/16,129,181.60 - Step 6: Final answer
x = 12,100,537.20
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1.5x scale
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.