Finding the Fourth Proportional to 18,103,438.23, 24,982,571.29 and 9,843,503.54
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Solution
The fourth proportional to 18,103,438.23, 24,982,571.29 and 9,843,503.54 is: 13,583,940.56
Step by Step Solution
- Step 1: Write the proportion equation
18,103,438.23 : 24,982,571.29 = 9,843,503.54 : x - Step 2: Convert to fraction form
18,103,438.23/24,982,571.29 = 9,843,503.54/x - Step 3: Cross multiply
18,103,438.23x = 24,982,571.29 × 9,843,503.54 - Step 4: Simplify right side
18,103,438.23x = 245,916,028,882,199.81 - Step 5: Solve for x
x = 245,916,028,882,199.81/18,103,438.23 - Step 6: Final answer
x = 13,583,940.56
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.