Finding the Fourth Proportional to 36,480,742.56, 54,690,207.84 and 15,994,936.80
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Solution
The fourth proportional to 36,480,742.56, 54,690,207.84 and 15,994,936.80 is: 23,978,854.50
Step by Step Solution
- Step 1: Write the proportion equation
36,480,742.56 : 54,690,207.84 = 15,994,936.80 : x - Step 2: Convert to fraction form
36,480,742.56/54,690,207.84 = 15,994,936.80/x - Step 3: Cross multiply
36,480,742.56x = 54,690,207.84 × 15,994,936.80 - Step 4: Simplify right side
36,480,742.56x = 874,766,417,979,664.62 - Step 5: Solve for x
x = 874,766,417,979,664.62/36,480,742.56 - Step 6: Final answer
x = 23,978,854.50
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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.