Finding the Fourth Proportional to 11,465,882.99, 15,822,440.66 and 6,238,911.68
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Solution
The fourth proportional to 11,465,882.99, 15,822,440.66 and 6,238,911.68 is: 8,609,438.09
Step by Step Solution
- Step 1: Write the proportion equation
11,465,882.99 : 15,822,440.66 = 6,238,911.68 : x - Step 2: Convert to fraction form
11,465,882.99/15,822,440.66 = 6,238,911.68/x - Step 3: Cross multiply
11,465,882.99x = 15,822,440.66 × 6,238,911.68 - Step 4: Simplify right side
11,465,882.99x = 98,714,809,729,474.14 - Step 5: Solve for x
x = 98,714,809,729,474.14/11,465,882.99 - Step 6: Final answer
x = 8,609,438.09
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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.