Finding the Fourth Proportional to 11,238,481.28, 15,509,143.36 and 6,081,841.68
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Solution
The fourth proportional to 11,238,481.28, 15,509,143.36 and 6,081,841.68 is: 8,392,962.73
Step by Step Solution
- Step 1: Write the proportion equation
11,238,481.28 : 15,509,143.36 = 6,081,841.68 : x - Step 2: Convert to fraction form
11,238,481.28/15,509,143.36 = 6,081,841.68/x - Step 3: Cross multiply
11,238,481.28x = 15,509,143.36 × 6,081,841.68 - Step 4: Simplify right side
11,238,481.28x = 94,324,154,507,943.23 - Step 5: Solve for x
x = 94,324,154,507,943.23/11,238,481.28 - Step 6: Final answer
x = 8,392,962.73
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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.