Finding the Fourth Proportional to 10,729,221.01, 14,806,714.36 and 6,146,428.12
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Solution
The fourth proportional to 10,729,221.01, 14,806,714.36 and 6,146,428.12 is: 8,482,293.86
Step by Step Solution
- Step 1: Write the proportion equation
10,729,221.01 : 14,806,714.36 = 6,146,428.12 : x - Step 2: Convert to fraction form
10,729,221.01/14,806,714.36 = 6,146,428.12/x - Step 3: Cross multiply
10,729,221.01x = 14,806,714.36 × 6,146,428.12 - Step 4: Simplify right side
10,729,221.01x = 91,008,405,433,078.23 - Step 5: Solve for x
x = 91,008,405,433,078.23/10,729,221.01 - Step 6: Final answer
x = 8,482,293.86
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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.