Finding the Fourth Proportional to 11,861,402.54, 16,370,251.43 and 6,634,701.18
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Solution
The fourth proportional to 11,861,402.54, 16,370,251.43 and 6,634,701.18 is: 9,156,735.57
Step by Step Solution
- Step 1: Write the proportion equation
11,861,402.54 : 16,370,251.43 = 6,634,701.18 : x - Step 2: Convert to fraction form
11,861,402.54/16,370,251.43 = 6,634,701.18/x - Step 3: Cross multiply
11,861,402.54x = 16,370,251.43 × 6,634,701.18 - Step 4: Simplify right side
11,861,402.54x = 108,611,726,446,344.19 - Step 5: Solve for x
x = 108,611,726,446,344.19/11,861,402.54 - Step 6: Final answer
x = 9,156,735.57
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1.5x scale
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.