Finding the Fourth Proportional to 13,297,321.12, 19,938,892.56 and 6,901,133.44
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Solution
The fourth proportional to 13,297,321.12, 19,938,892.56 and 6,901,133.44 is: 10,348,021.00
Step by Step Solution
- Step 1: Write the proportion equation
13,297,321.12 : 19,938,892.56 = 6,901,133.44 : x - Step 2: Convert to fraction form
13,297,321.12/19,938,892.56 = 6,901,133.44/x - Step 3: Cross multiply
13,297,321.12x = 19,938,892.56 × 6,901,133.44 - Step 4: Simplify right side
13,297,321.12x = 137,600,958,202,383.20 - Step 5: Solve for x
x = 137,600,958,202,383.20/13,297,321.12 - Step 6: Final answer
x = 10,348,021.00
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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.