Finding the Fourth Proportional to 8,182,780.46, 11,292,313.46 and 4,511,828.68
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Solution
The fourth proportional to 8,182,780.46, 11,292,313.46 and 4,511,828.68 is: 6,226,365.72
Step by Step Solution
- Step 1: Write the proportion equation
8,182,780.46 : 11,292,313.46 = 4,511,828.68 : x - Step 2: Convert to fraction form
8,182,780.46/11,292,313.46 = 4,511,828.68/x - Step 3: Cross multiply
8,182,780.46x = 11,292,313.46 × 4,511,828.68 - Step 4: Simplify right side
8,182,780.46x = 50,948,983,732,378.03 - Step 5: Solve for x
x = 50,948,983,732,378.03/8,182,780.46 - Step 6: Final answer
x = 6,226,365.72
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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.