Finding the Fourth Proportional to 8,244,728.37, 12,367,172.21 and 3,125,781.63
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Solution
The fourth proportional to 8,244,728.37, 12,367,172.21 and 3,125,781.63 is: 4,688,702.64
Step by Step Solution
- Step 1: Write the proportion equation
8,244,728.37 : 12,367,172.21 = 3,125,781.63 : x - Step 2: Convert to fraction form
8,244,728.37/12,367,172.21 = 3,125,781.63/x - Step 3: Cross multiply
8,244,728.37x = 12,367,172.21 × 3,125,781.63 - Step 4: Simplify right side
8,244,728.37x = 38,657,079,693,435.59 - Step 5: Solve for x
x = 38,657,079,693,435.59/8,244,728.37 - Step 6: Final answer
x = 4,688,702.64
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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.