Finding the Fourth Proportional to 56,489,433.20, 84,734,149.80 and 15,548,793.20
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Solution
The fourth proportional to 56,489,433.20, 84,734,149.80 and 15,548,793.20 is: 23,323,189.80
Step by Step Solution
- Step 1: Write the proportion equation
56,489,433.20 : 84,734,149.80 = 15,548,793.20 : x - Step 2: Convert to fraction form
56,489,433.20/84,734,149.80 = 15,548,793.20/x - Step 3: Cross multiply
56,489,433.20x = 84,734,149.80 × 15,548,793.20 - Step 4: Simplify right side
56,489,433.20x = 1,317,513,772,218,021.25 - Step 5: Solve for x
x = 1,317,513,772,218,021.25/56,489,433.20 - Step 6: Final answer
x = 23,323,189.80
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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.