Finding the Fourth Proportional to 8,784,830.20, 13,176,030.30 and 2,723,729.80
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Solution
The fourth proportional to 8,784,830.20, 13,176,030.30 and 2,723,729.80 is: 4,085,217.99
Step by Step Solution
- Step 1: Write the proportion equation
8,784,830.20 : 13,176,030.30 = 2,723,729.80 : x - Step 2: Convert to fraction form
8,784,830.20/13,176,030.30 = 2,723,729.80/x - Step 3: Cross multiply
8,784,830.20x = 13,176,030.30 × 2,723,729.80 - Step 4: Simplify right side
8,784,830.20x = 35,887,946,373,812.94 - Step 5: Solve for x
x = 35,887,946,373,812.94/8,784,830.20 - Step 6: Final answer
x = 4,085,217.99
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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.