Finding the Fourth Proportional to 21,391,248.96, 32,089,923.12 and 7,015,441.92
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Solution
The fourth proportional to 21,391,248.96, 32,089,923.12 and 7,015,441.92 is: 10,524,163.05
Step by Step Solution
- Step 1: Write the proportion equation
21,391,248.96 : 32,089,923.12 = 7,015,441.92 : x - Step 2: Convert to fraction form
21,391,248.96/32,089,923.12 = 7,015,441.92/x - Step 3: Cross multiply
21,391,248.96x = 32,089,923.12 × 7,015,441.92 - Step 4: Simplify right side
21,391,248.96x = 225,124,991,865,625.19 - Step 5: Solve for x
x = 225,124,991,865,625.19/21,391,248.96 - Step 6: Final answer
x = 10,524,163.05
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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.