Finding the Fourth Proportional to 36,351,828.80, 54,481,432.80 and 19,320,660.80
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Solution
The fourth proportional to 36,351,828.80, 54,481,432.80 and 19,320,660.80 is: 28,956,377.65
Step by Step Solution
- Step 1: Write the proportion equation
36,351,828.80 : 54,481,432.80 = 19,320,660.80 : x - Step 2: Convert to fraction form
36,351,828.80/54,481,432.80 = 19,320,660.80/x - Step 3: Cross multiply
36,351,828.80x = 54,481,432.80 × 19,320,660.80 - Step 4: Simplify right side
36,351,828.80x = 1,052,617,283,026,794.25 - Step 5: Solve for x
x = 1,052,617,283,026,794.25/36,351,828.80 - Step 6: Final answer
x = 28,956,377.65
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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.