Finding the Fourth Proportional to 15,647,891.36, 21,593,768.34 and 8,677,444.08
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Solution
The fourth proportional to 15,647,891.36, 21,593,768.34 and 8,677,444.08 is: 11,974,694.41
Step by Step Solution
- Step 1: Write the proportion equation
15,647,891.36 : 21,593,768.34 = 8,677,444.08 : x - Step 2: Convert to fraction form
15,647,891.36/21,593,768.34 = 8,677,444.08/x - Step 3: Cross multiply
15,647,891.36x = 21,593,768.34 × 8,677,444.08 - Step 4: Simplify right side
15,647,891.36x = 187,378,717,246,824.44 - Step 5: Solve for x
x = 187,378,717,246,824.44/15,647,891.36 - Step 6: Final answer
x = 11,974,694.41
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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.