Finding the Fourth Proportional to 20,676,324.24, 31,014,493.56 and 9,303,486.84
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Solution
The fourth proportional to 20,676,324.24, 31,014,493.56 and 9,303,486.84 is: 13,955,233.50
Step by Step Solution
- Step 1: Write the proportion equation
20,676,324.24 : 31,014,493.56 = 9,303,486.84 : x - Step 2: Convert to fraction form
20,676,324.24/31,014,493.56 = 9,303,486.84/x - Step 3: Cross multiply
20,676,324.24x = 31,014,493.56 × 9,303,486.84 - Step 4: Simplify right side
20,676,324.24x = 288,542,932,684,724.75 - Step 5: Solve for x
x = 288,542,932,684,724.75/20,676,324.24 - Step 6: Final answer
x = 13,955,233.50
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1.5x scale
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.