Finding the Fourth Proportional to 18,463,235.76, 27,670,098.06 and 14,369,500.12
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Solution
The fourth proportional to 18,463,235.76, 27,670,098.06 and 14,369,500.12 is: 21,534,983.50
Step by Step Solution
- Step 1: Write the proportion equation
18,463,235.76 : 27,670,098.06 = 14,369,500.12 : x - Step 2: Convert to fraction form
18,463,235.76/27,670,098.06 = 14,369,500.12/x - Step 3: Cross multiply
18,463,235.76x = 27,670,098.06 × 14,369,500.12 - Step 4: Simplify right side
18,463,235.76x = 397,605,477,393,581.75 - Step 5: Solve for x
x = 397,605,477,393,581.75/18,463,235.76 - Step 6: Final answer
x = 21,534,983.50
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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.