Finding the Fourth Proportional to 7,701,568.38, 11,552,620.44 and 3,655,971.90
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Solution
The fourth proportional to 7,701,568.38, 11,552,620.44 and 3,655,971.90 is: 5,484,085.01
Step by Step Solution
- Step 1: Write the proportion equation
7,701,568.38 : 11,552,620.44 = 3,655,971.90 : x - Step 2: Convert to fraction form
7,701,568.38/11,552,620.44 = 3,655,971.90/x - Step 3: Cross multiply
7,701,568.38x = 11,552,620.44 × 3,655,971.90 - Step 4: Simplify right side
7,701,568.38x = 42,236,055,700,005.63 - Step 5: Solve for x
x = 42,236,055,700,005.63/7,701,568.38 - Step 6: Final answer
x = 5,484,085.01
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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.