Finding the Fourth Proportional to 7,372,775.97, 10,174,011.21 and 4,064,407.92
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Solution
The fourth proportional to 7,372,775.97, 10,174,011.21 and 4,064,407.92 is: 5,608,651.60
Step by Step Solution
- Step 1: Write the proportion equation
7,372,775.97 : 10,174,011.21 = 4,064,407.92 : x - Step 2: Convert to fraction form
7,372,775.97/10,174,011.21 = 4,064,407.92/x - Step 3: Cross multiply
7,372,775.97x = 10,174,011.21 × 4,064,407.92 - Step 4: Simplify right side
7,372,775.97x = 41,351,331,740,092.79 - Step 5: Solve for x
x = 41,351,331,740,092.79/7,372,775.97 - Step 6: Final answer
x = 5,608,651.60
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1.5x scale
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.