Finding the Fourth Proportional to 8,768,716.80, 13,134,412.80 and 7,275,724.80
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Solution
The fourth proportional to 8,768,716.80, 13,134,412.80 and 7,275,724.80 is: 10,898,102.32
Step by Step Solution
- Step 1: Write the proportion equation
8,768,716.80 : 13,134,412.80 = 7,275,724.80 : x - Step 2: Convert to fraction form
8,768,716.80/13,134,412.80 = 7,275,724.80/x - Step 3: Cross multiply
8,768,716.80x = 13,134,412.80 × 7,275,724.80 - Step 4: Simplify right side
8,768,716.80x = 95,562,372,942,397.44 - Step 5: Solve for x
x = 95,562,372,942,397.44/8,768,716.80 - Step 6: Final answer
x = 10,898,102.32
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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.