Finding the Fourth Proportional to 11,649,872.08, 16,076,897.96 and 6,493,560.40
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Solution
The fourth proportional to 11,649,872.08, 16,076,897.96 and 6,493,560.40 is: 8,961,154.87
Step by Step Solution
- Step 1: Write the proportion equation
11,649,872.08 : 16,076,897.96 = 6,493,560.40 : x - Step 2: Convert to fraction form
11,649,872.08/16,076,897.96 = 6,493,560.40/x - Step 3: Cross multiply
11,649,872.08x = 16,076,897.96 × 6,493,560.40 - Step 4: Simplify right side
11,649,872.08x = 104,396,307,947,896.80 - Step 5: Solve for x
x = 104,396,307,947,896.80/11,649,872.08 - Step 6: Final answer
x = 8,961,154.87
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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.