Finding the Fourth Proportional to 22,278,914.76, 33,411,888.99 and 8,629,016.70
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Solution
The fourth proportional to 22,278,914.76, 33,411,888.99 and 8,629,016.70 is: 12,941,014.01
Step by Step Solution
- Step 1: Write the proportion equation
22,278,914.76 : 33,411,888.99 = 8,629,016.70 : x - Step 2: Convert to fraction form
22,278,914.76/33,411,888.99 = 8,629,016.70/x - Step 3: Cross multiply
22,278,914.76x = 33,411,888.99 × 8,629,016.70 - Step 4: Simplify right side
22,278,914.76x = 288,311,748,073,256.12 - Step 5: Solve for x
x = 288,311,748,073,256.12/22,278,914.76 - Step 6: Final answer
x = 12,941,014.01
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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.