Finding the Fourth Proportional to 12,139,079.26, 18,207,044.24 and 5,753,389.18
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Solution
The fourth proportional to 12,139,079.26, 18,207,044.24 and 5,753,389.18 is: 8,629,337.46
Step by Step Solution
- Step 1: Write the proportion equation
12,139,079.26 : 18,207,044.24 = 5,753,389.18 : x - Step 2: Convert to fraction form
12,139,079.26/18,207,044.24 = 5,753,389.18/x - Step 3: Cross multiply
12,139,079.26x = 18,207,044.24 × 5,753,389.18 - Step 4: Simplify right side
12,139,079.26x = 104,752,211,330,197.31 - Step 5: Solve for x
x = 104,752,211,330,197.31/12,139,079.26 - Step 6: Final answer
x = 8,629,337.46
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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.