Finding the Fourth Proportional to 39,434,752.56, 54,422,512.44 and 22,031,191.44
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Solution
The fourth proportional to 39,434,752.56, 54,422,512.44 and 22,031,191.44 is: 30,404,470.99
Step by Step Solution
- Step 1: Write the proportion equation
39,434,752.56 : 54,422,512.44 = 22,031,191.44 : x - Step 2: Convert to fraction form
39,434,752.56/54,422,512.44 = 22,031,191.44/x - Step 3: Cross multiply
39,434,752.56x = 54,422,512.44 × 22,031,191.44 - Step 4: Simplify right side
39,434,752.56x = 1,198,992,790,211,421.50 - Step 5: Solve for x
x = 1,198,992,790,211,421.50/39,434,752.56 - Step 6: Final answer
x = 30,404,470.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.