Finding the Fourth Proportional to 18,463,687.99, 27,670,773.78 and 14,369,952.04
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Solution
The fourth proportional to 18,463,687.99, 27,670,773.78 and 14,369,952.04 is: 21,535,659.20
Step by Step Solution
- Step 1: Write the proportion equation
18,463,687.99 : 27,670,773.78 = 14,369,952.04 : x - Step 2: Convert to fraction form
18,463,687.99/27,670,773.78 = 14,369,952.04/x - Step 3: Cross multiply
18,463,687.99x = 27,670,773.78 × 14,369,952.04 - Step 4: Simplify right side
18,463,687.99x = 397,627,692,128,289.50 - Step 5: Solve for x
x = 397,627,692,128,289.50/18,463,687.99 - Step 6: Final answer
x = 21,535,659.20
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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.