Finding the Fourth Proportional to 18,467,459.70, 27,702,582.02 and 5,512,587.28
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Solution
The fourth proportional to 18,467,459.70, 27,702,582.02 and 5,512,587.28 is: 8,269,296.58
Step by Step Solution
- Step 1: Write the proportion equation
18,467,459.70 : 27,702,582.02 = 5,512,587.28 : x - Step 2: Convert to fraction form
18,467,459.70/27,702,582.02 = 5,512,587.28/x - Step 3: Cross multiply
18,467,459.70x = 27,702,582.02 × 5,512,587.28 - Step 4: Simplify right side
18,467,459.70x = 152,712,901,266,608.72 - Step 5: Solve for x
x = 152,712,901,266,608.72/18,467,459.70 - Step 6: Final answer
x = 8,269,296.58
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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.