Finding the Fourth Proportional to 29,146,612.80, 43,719,919.20 and 13,996,891.20
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Solution
The fourth proportional to 29,146,612.80, 43,719,919.20 and 13,996,891.20 is: 20,995,336.80
Step by Step Solution
- Step 1: Write the proportion equation
29,146,612.80 : 43,719,919.20 = 13,996,891.20 : x - Step 2: Convert to fraction form
29,146,612.80/43,719,919.20 = 13,996,891.20/x - Step 3: Cross multiply
29,146,612.80x = 43,719,919.20 × 13,996,891.20 - Step 4: Simplify right side
29,146,612.80x = 611,942,952,315,191 - Step 5: Solve for x
x = 611,942,952,315,191/29,146,612.80 - Step 6: Final answer
x = 20,995,336.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.