Finding the Fourth Proportional to 10,919,944.80, 16,393,395.60 and 6,876,424.80
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Solution
The fourth proportional to 10,919,944.80, 16,393,395.60 and 6,876,424.80 is: 10,323,124.72
Step by Step Solution
- Step 1: Write the proportion equation
10,919,944.80 : 16,393,395.60 = 6,876,424.80 : x - Step 2: Convert to fraction form
10,919,944.80/16,393,395.60 = 6,876,424.80/x - Step 3: Cross multiply
10,919,944.80x = 16,393,395.60 × 6,876,424.80 - Step 4: Simplify right side
10,919,944.80x = 112,727,952,060,050.88 - Step 5: Solve for x
x = 112,727,952,060,050.88/10,919,944.80 - Step 6: Final answer
x = 10,323,124.72
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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.