Finding the Fourth Proportional to 12,649,484.44, 18,962,105.12 and 5,352,906.84
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Solution
The fourth proportional to 12,649,484.44, 18,962,105.12 and 5,352,906.84 is: 8,024,230.76
Step by Step Solution
- Step 1: Write the proportion equation
12,649,484.44 : 18,962,105.12 = 5,352,906.84 : x - Step 2: Convert to fraction form
12,649,484.44/18,962,105.12 = 5,352,906.84/x - Step 3: Cross multiply
12,649,484.44x = 18,962,105.12 × 5,352,906.84 - Step 4: Simplify right side
12,649,484.44x = 101,502,382,197,647.03 - Step 5: Solve for x
x = 101,502,382,197,647.03/12,649,484.44 - Step 6: Final answer
x = 8,024,230.76
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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.