Finding the Fourth Proportional to 20,084,125.92, 30,130,197.84 and 10,503,817.44
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Solution
The fourth proportional to 20,084,125.92, 30,130,197.84 and 10,503,817.44 is: 15,757,822.81
Step by Step Solution
- Step 1: Write the proportion equation
20,084,125.92 : 30,130,197.84 = 10,503,817.44 : x - Step 2: Convert to fraction form
20,084,125.92/30,130,197.84 = 10,503,817.44/x - Step 3: Cross multiply
20,084,125.92x = 30,130,197.84 × 10,503,817.44 - Step 4: Simplify right side
20,084,125.92x = 316,482,097,542,442.31 - Step 5: Solve for x
x = 316,482,097,542,442.31/20,084,125.92 - Step 6: Final answer
x = 15,757,822.81
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1.5x scale
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.