Finding the Fourth Proportional to 20,416,370.05, 30,623,762.85 and 5,063,698.09
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Solution
The fourth proportional to 20,416,370.05, 30,623,762.85 and 5,063,698.09 is: 7,595,350.65
Step by Step Solution
- Step 1: Write the proportion equation
20,416,370.05 : 30,623,762.85 = 5,063,698.09 : x - Step 2: Convert to fraction form
20,416,370.05/30,623,762.85 = 5,063,698.09/x - Step 3: Cross multiply
20,416,370.05x = 30,623,762.85 × 5,063,698.09 - Step 4: Simplify right side
20,416,370.05x = 155,069,489,452,157.97 - Step 5: Solve for x
x = 155,069,489,452,157.97/20,416,370.05 - Step 6: Final answer
x = 7,595,350.65
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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.