Finding the Fourth Proportional to 18,443,441.60, 27,670,000.80 and 7,084,260.80
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Solution
The fourth proportional to 18,443,441.60, 27,670,000.80 and 7,084,260.80 is: 10,628,249.66
Step by Step Solution
- Step 1: Write the proportion equation
18,443,441.60 : 27,670,000.80 = 7,084,260.80 : x - Step 2: Convert to fraction form
18,443,441.60/27,670,000.80 = 7,084,260.80/x - Step 3: Cross multiply
18,443,441.60x = 27,670,000.80 × 7,084,260.80 - Step 4: Simplify right side
18,443,441.60x = 196,021,502,003,408.62 - Step 5: Solve for x
x = 196,021,502,003,408.62/18,443,441.60 - Step 6: Final answer
x = 10,628,249.66
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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.