Finding the Fourth Proportional to 14,470,736.36, 19,969,850.18 and 7,944,967.40
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Solution
The fourth proportional to 14,470,736.36, 19,969,850.18 and 7,944,967.40 is: 10,964,183.49
Step by Step Solution
- Step 1: Write the proportion equation
14,470,736.36 : 19,969,850.18 = 7,944,967.40 : x - Step 2: Convert to fraction form
14,470,736.36/19,969,850.18 = 7,944,967.40/x - Step 3: Cross multiply
14,470,736.36x = 19,969,850.18 × 7,944,967.40 - Step 4: Simplify right side
14,470,736.36x = 158,659,808,662,984.12 - Step 5: Solve for x
x = 158,659,808,662,984.12/14,470,736.36 - Step 6: Final answer
x = 10,964,183.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.