Finding the Fourth Proportional to 18,028,734.87, 24,879,740.73 and 9,768,794.96
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Solution
The fourth proportional to 18,028,734.87, 24,879,740.73 and 9,768,794.96 is: 13,480,983.98
Step by Step Solution
- Step 1: Write the proportion equation
18,028,734.87 : 24,879,740.73 = 9,768,794.96 : x - Step 2: Convert to fraction form
18,028,734.87/24,879,740.73 = 9,768,794.96/x - Step 3: Cross multiply
18,028,734.87x = 24,879,740.73 × 9,768,794.96 - Step 4: Simplify right side
18,028,734.87x = 243,045,085,929,846.56 - Step 5: Solve for x
x = 243,045,085,929,846.56/18,028,734.87 - Step 6: Final answer
x = 13,480,983.98
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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.