Finding the Fourth Proportional to 51,602,311.22, 71,211,199.92 and 28,397,438.10
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Solution
The fourth proportional to 51,602,311.22, 71,211,199.92 and 28,397,438.10 is: 39,188,470.32
Step by Step Solution
- Step 1: Write the proportion equation
51,602,311.22 : 71,211,199.92 = 28,397,438.10 : x - Step 2: Convert to fraction form
51,602,311.22/71,211,199.92 = 28,397,438.10/x - Step 3: Cross multiply
51,602,311.22x = 71,211,199.92 × 28,397,438.10 - Step 4: Simplify right side
51,602,311.22x = 2,022,215,641,754,925 - Step 5: Solve for x
x = 2,022,215,641,754,925/51,602,311.22 - Step 6: Final answer
x = 39,188,470.32
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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.