Finding the Fourth Proportional to 7,413,556.23, 11,128,194.86 and 6,566,129.24
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Solution
The fourth proportional to 7,413,556.23, 11,128,194.86 and 6,566,129.24 is: 9,856,155.85
Step by Step Solution
- Step 1: Write the proportion equation
7,413,556.23 : 11,128,194.86 = 6,566,129.24 : x - Step 2: Convert to fraction form
7,413,556.23/11,128,194.86 = 6,566,129.24/x - Step 3: Cross multiply
7,413,556.23x = 11,128,194.86 × 6,566,129.24 - Step 4: Simplify right side
7,413,556.23x = 73,069,165,570,192.09 - Step 5: Solve for x
x = 73,069,165,570,192.09/7,413,556.23 - Step 6: Final answer
x = 9,856,155.85
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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.