Finding the Fourth Proportional to 29,694,847.20, 44,542,270.80 and 12,653,305.80
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Solution
The fourth proportional to 29,694,847.20, 44,542,270.80 and 12,653,305.80 is: 18,979,958.70
Step by Step Solution
- Step 1: Write the proportion equation
29,694,847.20 : 44,542,270.80 = 12,653,305.80 : x - Step 2: Convert to fraction form
29,694,847.20/44,542,270.80 = 12,653,305.80/x - Step 3: Cross multiply
29,694,847.20x = 44,542,270.80 × 12,653,305.80 - Step 4: Simplify right side
29,694,847.20x = 563,606,973,458,810.62 - Step 5: Solve for x
x = 563,606,973,458,810.62/29,694,847.20 - Step 6: Final answer
x = 18,979,958.70
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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.