Finding the Fourth Proportional to 40,969,148.96, 56,536,765.63 and 22,383,889.92
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Solution
The fourth proportional to 40,969,148.96, 56,536,765.63 and 22,383,889.92 is: 30,889,407.52
Step by Step Solution
- Step 1: Write the proportion equation
40,969,148.96 : 56,536,765.63 = 22,383,889.92 : x - Step 2: Convert to fraction form
40,969,148.96/56,536,765.63 = 22,383,889.92/x - Step 3: Cross multiply
40,969,148.96x = 56,536,765.63 × 22,383,889.92 - Step 4: Simplify right side
40,969,148.96x = 1,265,512,738,238,799.75 - Step 5: Solve for x
x = 1,265,512,738,238,799.75/40,969,148.96 - Step 6: Final answer
x = 30,889,407.52
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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.