Finding the Fourth Proportional to 18,028,672.96, 24,879,764.64 and 9,879,736
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Solution
The fourth proportional to 18,028,672.96, 24,879,764.64 and 9,879,736 is: 13,634,143.06
Step by Step Solution
- Step 1: Write the proportion equation
18,028,672.96 : 24,879,764.64 = 9,879,736 : x - Step 2: Convert to fraction form
18,028,672.96/24,879,764.64 = 9,879,736/x - Step 3: Cross multiply
18,028,672.96x = 24,879,764.64 × 9,879,736 - Step 4: Simplify right side
18,028,672.96x = 245,805,506,385,335.03 - Step 5: Solve for x
x = 245,805,506,385,335.03/18,028,672.96 - Step 6: Final answer
x = 13,634,143.06
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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.