Finding the Fourth Proportional to 13,983,571.69, 19,297,850.07 and 7,704,354.49
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Solution
The fourth proportional to 13,983,571.69, 19,297,850.07 and 7,704,354.49 is: 10,632,296.32
Step by Step Solution
- Step 1: Write the proportion equation
13,983,571.69 : 19,297,850.07 = 7,704,354.49 : x - Step 2: Convert to fraction form
13,983,571.69/19,297,850.07 = 7,704,354.49/x - Step 3: Cross multiply
13,983,571.69x = 19,297,850.07 × 7,704,354.49 - Step 4: Simplify right side
13,983,571.69x = 148,677,477,834,151.31 - Step 5: Solve for x
x = 148,677,477,834,151.31/13,983,571.69 - Step 6: Final answer
x = 10,632,296.32
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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.