Finding the Fourth Proportional to 18,447,119.70, 27,670,679.55 and 14,859,892.95
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Solution
The fourth proportional to 18,447,119.70, 27,670,679.55 and 14,859,892.95 is: 22,289,839.43
Step by Step Solution
- Step 1: Write the proportion equation
18,447,119.70 : 27,670,679.55 = 14,859,892.95 : x - Step 2: Convert to fraction form
18,447,119.70/27,670,679.55 = 14,859,892.95/x - Step 3: Cross multiply
18,447,119.70x = 27,670,679.55 × 14,859,892.95 - Step 4: Simplify right side
18,447,119.70x = 411,183,335,966,754.19 - Step 5: Solve for x
x = 411,183,335,966,754.19/18,447,119.70 - Step 6: Final answer
x = 22,289,839.43
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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.