Finding the Fourth Proportional to 7,332,762.96, 10,120,429.08 and 4,276,977.12
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Solution
The fourth proportional to 7,332,762.96, 10,120,429.08 and 4,276,977.12 is: 5,902,937.80
Step by Step Solution
- Step 1: Write the proportion equation
7,332,762.96 : 10,120,429.08 = 4,276,977.12 : x - Step 2: Convert to fraction form
7,332,762.96/10,120,429.08 = 4,276,977.12/x - Step 3: Cross multiply
7,332,762.96x = 10,120,429.08 × 4,276,977.12 - Step 4: Simplify right side
7,332,762.96x = 43,284,843,619,742.65 - Step 5: Solve for x
x = 43,284,843,619,742.65/7,332,762.96 - Step 6: Final answer
x = 5,902,937.80
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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.