Finding the Fourth Proportional to 20,646,738.33, 30,970,156.68 and 6,269,914.23
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Solution
The fourth proportional to 20,646,738.33, 30,970,156.68 and 6,269,914.23 is: 9,404,886.28
Step by Step Solution
- Step 1: Write the proportion equation
20,646,738.33 : 30,970,156.68 = 6,269,914.23 : x - Step 2: Convert to fraction form
20,646,738.33/30,970,156.68 = 6,269,914.23/x - Step 3: Cross multiply
20,646,738.33x = 30,970,156.68 × 6,269,914.23 - Step 4: Simplify right side
20,646,738.33x = 194,180,226,073,261.56 - Step 5: Solve for x
x = 194,180,226,073,261.56/20,646,738.33 - Step 6: Final answer
x = 9,404,886.28
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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.