Finding the Fourth Proportional to 29,520,919.20, 44,287,599.60 and 12,472,816.80
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Solution
The fourth proportional to 29,520,919.20, 44,287,599.60 and 12,472,816.80 is: 18,711,853.54
Step by Step Solution
- Step 1: Write the proportion equation
29,520,919.20 : 44,287,599.60 = 12,472,816.80 : x - Step 2: Convert to fraction form
29,520,919.20/44,287,599.60 = 12,472,816.80/x - Step 3: Cross multiply
29,520,919.20x = 44,287,599.60 × 12,472,816.80 - Step 4: Simplify right side
29,520,919.20x = 552,391,116,322,553.31 - Step 5: Solve for x
x = 552,391,116,322,553.31/29,520,919.20 - Step 6: Final answer
x = 18,711,853.54
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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.