Finding the Fourth Proportional to 48,876,112.80, 73,361,408.40 and 24,642,403.20
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Solution
The fourth proportional to 48,876,112.80, 73,361,408.40 and 24,642,403.20 is: 36,987,421.90
Step by Step Solution
- Step 1: Write the proportion equation
48,876,112.80 : 73,361,408.40 = 24,642,403.20 : x - Step 2: Convert to fraction form
48,876,112.80/73,361,408.40 = 24,642,403.20/x - Step 3: Cross multiply
48,876,112.80x = 73,361,408.40 × 24,642,403.20 - Step 4: Simplify right side
48,876,112.80x = 1,807,801,405,112,667 - Step 5: Solve for x
x = 1,807,801,405,112,667/48,876,112.80 - Step 6: Final answer
x = 36,987,421.90
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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.