Finding the Fourth Proportional to 11,671,237.60, 17,494,414.80 and 4,479,992.80
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Solution
The fourth proportional to 11,671,237.60, 17,494,414.80 and 4,479,992.80 is: 6,715,213.50
Step by Step Solution
- Step 1: Write the proportion equation
11,671,237.60 : 17,494,414.80 = 4,479,992.80 : x - Step 2: Convert to fraction form
11,671,237.60/17,494,414.80 = 4,479,992.80/x - Step 3: Cross multiply
11,671,237.60x = 17,494,414.80 × 4,479,992.80 - Step 4: Simplify right side
11,671,237.60x = 78,374,852,344,213.44 - Step 5: Solve for x
x = 78,374,852,344,213.44/11,671,237.60 - Step 6: Final answer
x = 6,715,213.50
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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.