Finding the Fourth Proportional to 36,728,419.80, 55,029,644.10 and 17,517,811.80
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Solution
The fourth proportional to 36,728,419.80, 55,029,644.10 and 17,517,811.80 is: 26,246,676.39
Step by Step Solution
- Step 1: Write the proportion equation
36,728,419.80 : 55,029,644.10 = 17,517,811.80 : x - Step 2: Convert to fraction form
36,728,419.80/55,029,644.10 = 17,517,811.80/x - Step 3: Cross multiply
36,728,419.80x = 55,029,644.10 × 17,517,811.80 - Step 4: Simplify right side
36,728,419.80x = 963,998,948,764,780.50 - Step 5: Solve for x
x = 963,998,948,764,780.50/36,728,419.80 - Step 6: Final answer
x = 26,246,676.39
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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.