Finding the Fourth Proportional to 7,480,716.04, 11,221,074.08 and 5,777,343.86
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Solution
The fourth proportional to 7,480,716.04, 11,221,074.08 and 5,777,343.86 is: 8,666,015.81
Step by Step Solution
- Step 1: Write the proportion equation
7,480,716.04 : 11,221,074.08 = 5,777,343.86 : x - Step 2: Convert to fraction form
7,480,716.04/11,221,074.08 = 5,777,343.86/x - Step 3: Cross multiply
7,480,716.04x = 11,221,074.08 × 5,777,343.86 - Step 4: Simplify right side
7,480,716.04x = 64,828,003,438,693.16 - Step 5: Solve for x
x = 64,828,003,438,693.16/7,480,716.04 - Step 6: Final answer
x = 8,666,015.81
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1.5x scale
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.