Finding the Fourth Proportional to 11,238,293.70, 15,508,845.36 and 6,081,654.96
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Solution
The fourth proportional to 11,238,293.70, 15,508,845.36 and 6,081,654.96 is: 8,392,683.87
Step by Step Solution
- Step 1: Write the proportion equation
11,238,293.70 : 15,508,845.36 = 6,081,654.96 : x - Step 2: Convert to fraction form
11,238,293.70/15,508,845.36 = 6,081,654.96/x - Step 3: Cross multiply
11,238,293.70x = 15,508,845.36 × 6,081,654.96 - Step 4: Simplify right side
11,238,293.70x = 94,319,446,307,516.98 - Step 5: Solve for x
x = 94,319,446,307,516.98/11,238,293.70 - Step 6: Final answer
x = 8,392,683.87
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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.