Finding the Fourth Proportional to 16,128,031.15, 24,194,120.33 and 8,045,138.35
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Solution
The fourth proportional to 16,128,031.15, 24,194,120.33 and 8,045,138.35 is: 12,068,741.90
Step by Step Solution
- Step 1: Write the proportion equation
16,128,031.15 : 24,194,120.33 = 8,045,138.35 : x - Step 2: Convert to fraction form
16,128,031.15/24,194,120.33 = 8,045,138.35/x - Step 3: Cross multiply
16,128,031.15x = 24,194,120.33 × 8,045,138.35 - Step 4: Simplify right side
16,128,031.15x = 194,645,045,271,171.94 - Step 5: Solve for x
x = 194,645,045,271,171.94/16,128,031.15 - Step 6: Final answer
x = 12,068,741.90
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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.