Finding the Fourth Proportional to 19,524,620.16, 26,934,863.04 and 12,285,267.84
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Solution
The fourth proportional to 19,524,620.16, 26,934,863.04 and 12,285,267.84 is: 16,947,935.68
Step by Step Solution
- Step 1: Write the proportion equation
19,524,620.16 : 26,934,863.04 = 12,285,267.84 : x - Step 2: Convert to fraction form
19,524,620.16/26,934,863.04 = 12,285,267.84/x - Step 3: Cross multiply
19,524,620.16x = 26,934,863.04 × 12,285,267.84 - Step 4: Simplify right side
19,524,620.16x = 330,902,006,680,116.62 - Step 5: Solve for x
x = 330,902,006,680,116.62/19,524,620.16 - Step 6: Final answer
x = 16,947,935.68
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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.