Finding the Fourth Proportional to 10,848,115.80, 16,272,173.70 and 8,328,691.80
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Solution
The fourth proportional to 10,848,115.80, 16,272,173.70 and 8,328,691.80 is: 12,493,037.70
Step by Step Solution
- Step 1: Write the proportion equation
10,848,115.80 : 16,272,173.70 = 8,328,691.80 : x - Step 2: Convert to fraction form
10,848,115.80/16,272,173.70 = 8,328,691.80/x - Step 3: Cross multiply
10,848,115.80x = 16,272,173.70 × 8,328,691.80 - Step 4: Simplify right side
10,848,115.80x = 135,525,919,663,365.66 - Step 5: Solve for x
x = 135,525,919,663,365.66/10,848,115.80 - Step 6: Final answer
x = 12,493,037.70
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1.5x scale
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.