Finding the Fourth Proportional to 11,240,543.64, 16,860,858.90 and 2,720,866.20
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Solution
The fourth proportional to 11,240,543.64, 16,860,858.90 and 2,720,866.20 is: 4,081,309.82
Step by Step Solution
- Step 1: Write the proportion equation
11,240,543.64 : 16,860,858.90 = 2,720,866.20 : x - Step 2: Convert to fraction form
11,240,543.64/16,860,858.90 = 2,720,866.20/x - Step 3: Cross multiply
11,240,543.64x = 16,860,858.90 × 2,720,866.20 - Step 4: Simplify right side
11,240,543.64x = 45,876,141,083,979.18 - Step 5: Solve for x
x = 45,876,141,083,979.18/11,240,543.64 - Step 6: Final answer
x = 4,081,309.82
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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.