Finding the Fourth Proportional to 8,674,105.46, 11,970,335.84 and 4,806,691.20
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Solution
The fourth proportional to 8,674,105.46, 11,970,335.84 and 4,806,691.20 is: 6,633,272.82
Step by Step Solution
- Step 1: Write the proportion equation
8,674,105.46 : 11,970,335.84 = 4,806,691.20 : x - Step 2: Convert to fraction form
8,674,105.46/11,970,335.84 = 4,806,691.20/x - Step 3: Cross multiply
8,674,105.46x = 11,970,335.84 × 4,806,691.20 - Step 4: Simplify right side
8,674,105.46x = 57,537,707,943,172.61 - Step 5: Solve for x
x = 57,537,707,943,172.61/8,674,105.46 - Step 6: Final answer
x = 6,633,272.82
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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.