Finding the Fourth Proportional to 8,145,297.20, 11,239,854.36 and 4,707,760.88
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Solution
The fourth proportional to 8,145,297.20, 11,239,854.36 and 4,707,760.88 is: 6,496,330.99
Step by Step Solution
- Step 1: Write the proportion equation
8,145,297.20 : 11,239,854.36 = 4,707,760.88 : x - Step 2: Convert to fraction form
8,145,297.20/11,239,854.36 = 4,707,760.88/x - Step 3: Cross multiply
8,145,297.20x = 11,239,854.36 × 4,707,760.88 - Step 4: Simplify right side
8,145,297.20x = 52,914,546,652,905.43 - Step 5: Solve for x
x = 52,914,546,652,905.43/8,145,297.20 - Step 6: Final answer
x = 6,496,330.99
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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.