Finding the Fourth Proportional to 24,765,979.62, 34,176,389.49 and 13,752,442.02
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Solution
The fourth proportional to 24,765,979.62, 34,176,389.49 and 13,752,442.02 is: 18,978,002.17
Step by Step Solution
- Step 1: Write the proportion equation
24,765,979.62 : 34,176,389.49 = 13,752,442.02 : x - Step 2: Convert to fraction form
24,765,979.62/34,176,389.49 = 13,752,442.02/x - Step 3: Cross multiply
24,765,979.62x = 34,176,389.49 × 13,752,442.02 - Step 4: Simplify right side
24,765,979.62x = 470,008,814,914,162.38 - Step 5: Solve for x
x = 470,008,814,914,162.38/24,765,979.62 - Step 6: Final answer
x = 18,978,002.17
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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.