Finding the Fourth Proportional to 18,574,712.10, 27,860,755.95 and 6,441,236.10
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Solution
The fourth proportional to 18,574,712.10, 27,860,755.95 and 6,441,236.10 is: 9,661,399.11
Step by Step Solution
- Step 1: Write the proportion equation
18,574,712.10 : 27,860,755.95 = 6,441,236.10 : x - Step 2: Convert to fraction form
18,574,712.10/27,860,755.95 = 6,441,236.10/x - Step 3: Cross multiply
18,574,712.10x = 27,860,755.95 × 6,441,236.10 - Step 4: Simplify right side
18,574,712.10x = 179,457,706,998,429.78 - Step 5: Solve for x
x = 179,457,706,998,429.78/18,574,712.10 - Step 6: Final answer
x = 9,661,399.11
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1.5x scale
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.