Finding the Fourth Proportional to 8,941,782.97, 12,338,956.96 and 5,074,304.12
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Solution
The fourth proportional to 8,941,782.97, 12,338,956.96 and 5,074,304.12 is: 7,002,140.44
Step by Step Solution
- Step 1: Write the proportion equation
8,941,782.97 : 12,338,956.96 = 5,074,304.12 : x - Step 2: Convert to fraction form
8,941,782.97/12,338,956.96 = 5,074,304.12/x - Step 3: Cross multiply
8,941,782.97x = 12,338,956.96 × 5,074,304.12 - Step 4: Simplify right side
8,941,782.97x = 62,611,620,138,630.68 - Step 5: Solve for x
x = 62,611,620,138,630.68/8,941,782.97 - Step 6: Final answer
x = 7,002,140.44
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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.