Finding the Fourth Proportional to 11,295,132.14, 15,587,402.60 and 6,138,493.54
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Solution
The fourth proportional to 11,295,132.14, 15,587,402.60 and 6,138,493.54 is: 8,471,186.43
Step by Step Solution
- Step 1: Write the proportion equation
11,295,132.14 : 15,587,402.60 = 6,138,493.54 : x - Step 2: Convert to fraction form
11,295,132.14/15,587,402.60 = 6,138,493.54/x - Step 3: Cross multiply
11,295,132.14x = 15,587,402.60 × 6,138,493.54 - Step 4: Simplify right side
11,295,132.14x = 95,683,170,141,856.92 - Step 5: Solve for x
x = 95,683,170,141,856.92/11,295,132.14 - Step 6: Final answer
x = 8,471,186.43
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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.