Finding the Fourth Proportional to 8,079,509.80, 12,125,874.30 and 8,016,524.20
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Solution
The fourth proportional to 8,079,509.80, 12,125,874.30 and 8,016,524.20 is: 12,031,344.37
Step by Step Solution
- Step 1: Write the proportion equation
8,079,509.80 : 12,125,874.30 = 8,016,524.20 : x - Step 2: Convert to fraction form
8,079,509.80/12,125,874.30 = 8,016,524.20/x - Step 3: Cross multiply
8,079,509.80x = 12,125,874.30 × 8,016,524.20 - Step 4: Simplify right side
8,079,509.80x = 97,207,364,772,108.06 - Step 5: Solve for x
x = 97,207,364,772,108.06/8,079,509.80 - Step 6: Final answer
x = 12,031,344.37
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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.