Finding the Fourth Proportional to 18,401,898.35, 27,603,133.76 and 5,449,359.26
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Solution
The fourth proportional to 18,401,898.35, 27,603,133.76 and 5,449,359.26 is: 8,174,123.66
Step by Step Solution
- Step 1: Write the proportion equation
18,401,898.35 : 27,603,133.76 = 5,449,359.26 : x - Step 2: Convert to fraction form
18,401,898.35/27,603,133.76 = 5,449,359.26/x - Step 3: Cross multiply
18,401,898.35x = 27,603,133.76 × 5,449,359.26 - Step 4: Simplify right side
18,401,898.35x = 150,419,392,642,705.84 - Step 5: Solve for x
x = 150,419,392,642,705.84/18,401,898.35 - Step 6: Final answer
x = 8,174,123.66
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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.