Finding the Fourth Proportional to 16,420,439.40, 24,630,659.10 and 10,373,821.80
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Solution
The fourth proportional to 16,420,439.40, 24,630,659.10 and 10,373,821.80 is: 15,560,732.70
Step by Step Solution
- Step 1: Write the proportion equation
16,420,439.40 : 24,630,659.10 = 10,373,821.80 : x - Step 2: Convert to fraction form
16,420,439.40/24,630,659.10 = 10,373,821.80/x - Step 3: Cross multiply
16,420,439.40x = 24,630,659.10 × 10,373,821.80 - Step 4: Simplify right side
16,420,439.40x = 255,514,068,319,948.41 - Step 5: Solve for x
x = 255,514,068,319,948.41/16,420,439.40 - Step 6: Final answer
x = 15,560,732.70
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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.