Finding the Fourth Proportional to 18,401,845.88, 27,603,054.90 and 5,449,306.79
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Solution
The fourth proportional to 18,401,845.88, 27,603,054.90 and 5,449,306.79 is: 8,174,044.90
Step by Step Solution
- Step 1: Write the proportion equation
18,401,845.88 : 27,603,054.90 = 5,449,306.79 : x - Step 2: Convert to fraction form
18,401,845.88/27,603,054.90 = 5,449,306.79/x - Step 3: Cross multiply
18,401,845.88x = 27,603,054.90 × 5,449,306.79 - Step 4: Simplify right side
18,401,845.88x = 150,417,514,353,297.50 - Step 5: Solve for x
x = 150,417,514,353,297.50/18,401,845.88 - Step 6: Final answer
x = 8,174,044.90
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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.