Finding the Fourth Proportional to 16,037,602.62, 22,110,481.20 and 12,740,836.20
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Solution
The fourth proportional to 16,037,602.62, 22,110,481.20 and 12,740,836.20 is: 17,565,344.77
Step by Step Solution
- Step 1: Write the proportion equation
16,037,602.62 : 22,110,481.20 = 12,740,836.20 : x - Step 2: Convert to fraction form
16,037,602.62/22,110,481.20 = 12,740,836.20/x - Step 3: Cross multiply
16,037,602.62x = 22,110,481.20 × 12,740,836.20 - Step 4: Simplify right side
16,037,602.62x = 281,706,019,272,379.44 - Step 5: Solve for x
x = 281,706,019,272,379.44/16,037,602.62 - Step 6: Final answer
x = 17,565,344.77
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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.