Finding the Fourth Proportional to 8,242,810.72, 11,361,940.04 and 6,497,636
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Solution
The fourth proportional to 8,242,810.72, 11,361,940.04 and 6,497,636 is: 8,956,380.67
Step by Step Solution
- Step 1: Write the proportion equation
8,242,810.72 : 11,361,940.04 = 6,497,636 : x - Step 2: Convert to fraction form
8,242,810.72/11,361,940.04 = 6,497,636/x - Step 3: Cross multiply
8,242,810.72x = 11,361,940.04 × 6,497,636 - Step 4: Simplify right side
8,242,810.72x = 73,825,750,633,745.44 - Step 5: Solve for x
x = 73,825,750,633,745.44/8,242,810.72 - Step 6: Final answer
x = 8,956,380.67
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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.