Finding the Fourth Proportional to 11,100,383.68, 16,642,998.21 and 5,913,768.70
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Solution
The fourth proportional to 11,100,383.68, 16,642,998.21 and 5,913,768.70 is: 8,866,616.21
Step by Step Solution
- Step 1: Write the proportion equation
11,100,383.68 : 16,642,998.21 = 5,913,768.70 : x - Step 2: Convert to fraction form
11,100,383.68/16,642,998.21 = 5,913,768.70/x - Step 3: Cross multiply
11,100,383.68x = 16,642,998.21 × 5,913,768.70 - Step 4: Simplify right side
11,100,383.68x = 98,422,841,888,454.03 - Step 5: Solve for x
x = 98,422,841,888,454.03/11,100,383.68 - Step 6: Final answer
x = 8,866,616.21
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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.