Finding the Fourth Proportional to 20,350,212.68, 30,518,759.04 and 6,700,109.09
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Solution
The fourth proportional to 20,350,212.68, 30,518,759.04 and 6,700,109.09 is: 10,048,003.82
Step by Step Solution
- Step 1: Write the proportion equation
20,350,212.68 : 30,518,759.04 = 6,700,109.09 : x - Step 2: Convert to fraction form
20,350,212.68/30,518,759.04 = 6,700,109.09/x - Step 3: Cross multiply
20,350,212.68x = 30,518,759.04 × 6,700,109.09 - Step 4: Simplify right side
20,350,212.68x = 204,479,014,706,829.88 - Step 5: Solve for x
x = 204,479,014,706,829.88/20,350,212.68 - Step 6: Final answer
x = 10,048,003.82
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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.