Finding the Fourth Proportional to 8,743,409.70, 13,115,114.55 and 8,176,539.30
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Solution
The fourth proportional to 8,743,409.70, 13,115,114.55 and 8,176,539.30 is: 12,264,808.95
Step by Step Solution
- Step 1: Write the proportion equation
8,743,409.70 : 13,115,114.55 = 8,176,539.30 : x - Step 2: Convert to fraction form
8,743,409.70/13,115,114.55 = 8,176,539.30/x - Step 3: Cross multiply
8,743,409.70x = 13,115,114.55 × 8,176,539.30 - Step 4: Simplify right side
8,743,409.70x = 107,236,249,542,076.81 - Step 5: Solve for x
x = 107,236,249,542,076.81/8,743,409.70 - Step 6: Final answer
x = 12,264,808.95
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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.