Finding the Fourth Proportional to 38,650,464.20, 57,982,694.70 and 19,432,857.80
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Solution
The fourth proportional to 38,650,464.20, 57,982,694.70 and 19,432,857.80 is: 29,152,805.39
Step by Step Solution
- Step 1: Write the proportion equation
38,650,464.20 : 57,982,694.70 = 19,432,857.80 : x - Step 2: Convert to fraction form
38,650,464.20/57,982,694.70 = 19,432,857.80/x - Step 3: Cross multiply
38,650,464.20x = 57,982,694.70 × 19,432,857.80 - Step 4: Simplify right side
38,650,464.20x = 1,126,769,460,965,913.75 - Step 5: Solve for x
x = 1,126,769,460,965,913.75/38,650,464.20 - Step 6: Final answer
x = 29,152,805.39
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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.