Finding the Fourth Proportional to 20,574,355.39, 30,861,523.87 and 6,197,423.20
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Solution
The fourth proportional to 20,574,355.39, 30,861,523.87 and 6,197,423.20 is: 9,296,132.02
Step by Step Solution
- Step 1: Write the proportion equation
20,574,355.39 : 30,861,523.87 = 6,197,423.20 : x - Step 2: Convert to fraction form
20,574,355.39/30,861,523.87 = 6,197,423.20/x - Step 3: Cross multiply
20,574,355.39x = 30,861,523.87 × 6,197,423.20 - Step 4: Simplify right side
20,574,355.39x = 191,261,923,926,644.41 - Step 5: Solve for x
x = 191,261,923,926,644.41/20,574,355.39 - Step 6: Final answer
x = 9,296,132.02
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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.