Finding the Fourth Proportional to 20,251,287.40, 27,937,870.81 and 11,874,381.36
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Solution
The fourth proportional to 20,251,287.40, 27,937,870.81 and 11,874,381.36 is: 16,381,424.34
Step by Step Solution
- Step 1: Write the proportion equation
20,251,287.40 : 27,937,870.81 = 11,874,381.36 : x - Step 2: Convert to fraction form
20,251,287.40/27,937,870.81 = 11,874,381.36/x - Step 3: Cross multiply
20,251,287.40x = 27,937,870.81 × 11,874,381.36 - Step 4: Simplify right side
20,251,287.40x = 331,744,932,384,352.06 - Step 5: Solve for x
x = 331,744,932,384,352.06/20,251,287.40 - Step 6: Final answer
x = 16,381,424.34
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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.