Finding the Fourth Proportional to 8,030,467.20, 11,077,175.04 and 4,765,129.92
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Solution
The fourth proportional to 8,030,467.20, 11,077,175.04 and 4,765,129.92 is: 6,572,989.70
Step by Step Solution
- Step 1: Write the proportion equation
8,030,467.20 : 11,077,175.04 = 4,765,129.92 : x - Step 2: Convert to fraction form
8,030,467.20/11,077,175.04 = 4,765,129.92/x - Step 3: Cross multiply
8,030,467.20x = 11,077,175.04 × 4,765,129.92 - Step 4: Simplify right side
8,030,467.20x = 52,784,178,212,181.20 - Step 5: Solve for x
x = 52,784,178,212,181.20/8,030,467.20 - Step 6: Final answer
x = 6,572,989.70
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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.