Finding the Fourth Proportional to 10,729,416.33, 14,806,983.06 and 6,146,623.44
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Solution
The fourth proportional to 10,729,416.33, 14,806,983.06 and 6,146,623.44 is: 8,482,562.92
Step by Step Solution
- Step 1: Write the proportion equation
10,729,416.33 : 14,806,983.06 = 6,146,623.44 : x - Step 2: Convert to fraction form
10,729,416.33/14,806,983.06 = 6,146,623.44/x - Step 3: Cross multiply
10,729,416.33x = 14,806,983.06 × 6,146,623.44 - Step 4: Simplify right side
10,729,416.33x = 91,012,949,152,278.94 - Step 5: Solve for x
x = 91,012,949,152,278.94/10,729,416.33 - Step 6: Final answer
x = 8,482,562.92
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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.