Finding the Fourth Proportional to 18,101,492.70, 27,149,614.65 and 5,320,664.70
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Solution
The fourth proportional to 18,101,492.70, 27,149,614.65 and 5,320,664.70 is: 7,980,225.65
Step by Step Solution
- Step 1: Write the proportion equation
18,101,492.70 : 27,149,614.65 = 5,320,664.70 : x - Step 2: Convert to fraction form
18,101,492.70/27,149,614.65 = 5,320,664.70/x - Step 3: Cross multiply
18,101,492.70x = 27,149,614.65 × 5,320,664.70 - Step 4: Simplify right side
18,101,492.70x = 144,453,996,286,857.84 - Step 5: Solve for x
x = 144,453,996,286,857.84/18,101,492.70 - Step 6: Final answer
x = 7,980,225.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.