Finding the Fourth Proportional to 27,202,512.80, 40,803,769.20 and 9,009,515.90
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Solution
The fourth proportional to 27,202,512.80, 40,803,769.20 and 9,009,515.90 is: 13,514,273.85
Step by Step Solution
- Step 1: Write the proportion equation
27,202,512.80 : 40,803,769.20 = 9,009,515.90 : x - Step 2: Convert to fraction form
27,202,512.80/40,803,769.20 = 9,009,515.90/x - Step 3: Cross multiply
27,202,512.80x = 40,803,769.20 × 9,009,515.90 - Step 4: Simplify right side
27,202,512.80x = 367,622,207,387,330.31 - Step 5: Solve for x
x = 367,622,207,387,330.31/27,202,512.80 - Step 6: Final answer
x = 13,514,273.85
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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.