Finding the Fourth Proportional to 8,748,614.70, 13,122,922.05 and 8,076,768.30
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Solution
The fourth proportional to 8,748,614.70, 13,122,922.05 and 8,076,768.30 is: 12,115,152.45
Step by Step Solution
- Step 1: Write the proportion equation
8,748,614.70 : 13,122,922.05 = 8,076,768.30 : x - Step 2: Convert to fraction form
8,748,614.70/13,122,922.05 = 8,076,768.30/x - Step 3: Cross multiply
8,748,614.70x = 13,122,922.05 × 8,076,768.30 - Step 4: Simplify right side
8,748,614.70x = 105,990,800,816,811.02 - Step 5: Solve for x
x = 105,990,800,816,811.02/8,748,614.70 - Step 6: Final answer
x = 12,115,152.45
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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.