Finding the Fourth Proportional to 19,162,305.92, 26,440,444.16 and 10,901,885.76
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Solution
The fourth proportional to 19,162,305.92, 26,440,444.16 and 10,901,885.76 is: 15,042,589.49
Step by Step Solution
- Step 1: Write the proportion equation
19,162,305.92 : 26,440,444.16 = 10,901,885.76 : x - Step 2: Convert to fraction form
19,162,305.92/26,440,444.16 = 10,901,885.76/x - Step 3: Cross multiply
19,162,305.92x = 26,440,444.16 × 10,901,885.76 - Step 4: Simplify right side
19,162,305.92x = 288,250,701,675,979.19 - Step 5: Solve for x
x = 288,250,701,675,979.19/19,162,305.92 - Step 6: Final answer
x = 15,042,589.49
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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.