Finding the Fourth Proportional to 23,967,043.20, 35,950,564.80 and 19,981,235.70
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Solution
The fourth proportional to 23,967,043.20, 35,950,564.80 and 19,981,235.70 is: 29,971,853.55
Step by Step Solution
- Step 1: Write the proportion equation
23,967,043.20 : 35,950,564.80 = 19,981,235.70 : x - Step 2: Convert to fraction form
23,967,043.20/35,950,564.80 = 19,981,235.70/x - Step 3: Cross multiply
23,967,043.20x = 35,950,564.80 × 19,981,235.70 - Step 4: Simplify right side
23,967,043.20x = 718,336,708,816,923.25 - Step 5: Solve for x
x = 718,336,708,816,923.25/23,967,043.20 - Step 6: Final answer
x = 29,971,853.55
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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.