Finding the Fourth Proportional to 44,281,385.80, 66,431,409.90 and 18,709,232.20
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Solution
The fourth proportional to 44,281,385.80, 66,431,409.90 and 18,709,232.20 is: 28,067,790.81
Step by Step Solution
- Step 1: Write the proportion equation
44,281,385.80 : 66,431,409.90 = 18,709,232.20 : x - Step 2: Convert to fraction form
44,281,385.80/66,431,409.90 = 18,709,232.20/x - Step 3: Cross multiply
44,281,385.80x = 66,431,409.90 × 18,709,232.20 - Step 4: Simplify right side
44,281,385.80x = 1,242,880,673,192,478.75 - Step 5: Solve for x
x = 1,242,880,673,192,478.75/44,281,385.80 - Step 6: Final answer
x = 28,067,790.81
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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.