Finding the Fourth Proportional to 11,861,404.54, 16,370,254.19 and 6,634,703.18
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Solution
The fourth proportional to 11,861,404.54, 16,370,254.19 and 6,634,703.18 is: 9,156,738.32
Step by Step Solution
- Step 1: Write the proportion equation
11,861,404.54 : 16,370,254.19 = 6,634,703.18 : x - Step 2: Convert to fraction form
11,861,404.54/16,370,254.19 = 6,634,703.18/x - Step 3: Cross multiply
11,861,404.54x = 16,370,254.19 × 6,634,703.18 - Step 4: Simplify right side
11,861,404.54x = 108,611,777,531,801.31 - Step 5: Solve for x
x = 108,611,777,531,801.31/11,861,404.54 - Step 6: Final answer
x = 9,156,738.32
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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.