Finding the Fourth Proportional to 7,661,777.08, 10,572,933.72 and 4,177,040.44
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Solution
The fourth proportional to 7,661,777.08, 10,572,933.72 and 4,177,040.44 is: 5,764,142.09
Step by Step Solution
- Step 1: Write the proportion equation
7,661,777.08 : 10,572,933.72 = 4,177,040.44 : x - Step 2: Convert to fraction form
7,661,777.08/10,572,933.72 = 4,177,040.44/x - Step 3: Cross multiply
7,661,777.08x = 10,572,933.72 × 4,177,040.44 - Step 4: Simplify right side
7,661,777.08x = 44,163,571,717,879.64 - Step 5: Solve for x
x = 44,163,571,717,879.64/7,661,777.08 - Step 6: Final answer
x = 5,764,142.09
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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.