Finding the Fourth Proportional to 20,441,481.42, 30,683,489.50 and 15,056,212.62
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Solution
The fourth proportional to 20,441,481.42, 30,683,489.50 and 15,056,212.62 is: 22,599,983.45
Step by Step Solution
- Step 1: Write the proportion equation
20,441,481.42 : 30,683,489.50 = 15,056,212.62 : x - Step 2: Convert to fraction form
20,441,481.42/30,683,489.50 = 15,056,212.62/x - Step 3: Cross multiply
20,441,481.42x = 30,683,489.50 × 15,056,212.62 - Step 4: Simplify right side
20,441,481.42x = 461,977,141,835,537.44 - Step 5: Solve for x
x = 461,977,141,835,537.44/20,441,481.42 - Step 6: Final answer
x = 22,599,983.45
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1.5x scale
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.