Finding the Fourth Proportional to 36,145,852.20, 54,260,768.70 and 21,785,135.40
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Solution
The fourth proportional to 36,145,852.20, 54,260,768.70 and 21,785,135.40 is: 32,703,010.75
Step by Step Solution
- Step 1: Write the proportion equation
36,145,852.20 : 54,260,768.70 = 21,785,135.40 : x - Step 2: Convert to fraction form
36,145,852.20/54,260,768.70 = 21,785,135.40/x - Step 3: Cross multiply
36,145,852.20x = 54,260,768.70 × 21,785,135.40 - Step 4: Simplify right side
36,145,852.20x = 1,182,078,193,037,582 - Step 5: Solve for x
x = 1,182,078,193,037,582/36,145,852.20 - Step 6: Final answer
x = 32,703,010.75
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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.