Finding the Fourth Proportional to 40,491,722.76, 60,743,882.70 and 13,191,660.09
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Solution
The fourth proportional to 40,491,722.76, 60,743,882.70 and 13,191,660.09 is: 19,789,542.12
Step by Step Solution
- Step 1: Write the proportion equation
40,491,722.76 : 60,743,882.70 = 13,191,660.09 : x - Step 2: Convert to fraction form
40,491,722.76/60,743,882.70 = 13,191,660.09/x - Step 3: Cross multiply
40,491,722.76x = 60,743,882.70 × 13,191,660.09 - Step 4: Simplify right side
40,491,722.76x = 801,312,653,125,231.50 - Step 5: Solve for x
x = 801,312,653,125,231.50/40,491,722.76 - Step 6: Final answer
x = 19,789,542.12
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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.