Finding the Fourth Proportional to 13,257,044.20, 18,297,232.14 and 8,297,785.18
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Solution
The fourth proportional to 13,257,044.20, 18,297,232.14 and 8,297,785.18 is: 11,452,515.31
Step by Step Solution
- Step 1: Write the proportion equation
13,257,044.20 : 18,297,232.14 = 8,297,785.18 : x - Step 2: Convert to fraction form
13,257,044.20/18,297,232.14 = 8,297,785.18/x - Step 3: Cross multiply
13,257,044.20x = 18,297,232.14 × 8,297,785.18 - Step 4: Simplify right side
13,257,044.20x = 151,826,501,686,311.69 - Step 5: Solve for x
x = 151,826,501,686,311.69/13,257,044.20 - Step 6: Final answer
x = 11,452,515.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.