Finding the Fourth Proportional to 13,313,383.69, 19,982,350.07 and 6,752,697.38
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Solution
The fourth proportional to 13,313,383.69, 19,982,350.07 and 6,752,697.38 is: 10,135,271.86
Step by Step Solution
- Step 1: Write the proportion equation
13,313,383.69 : 19,982,350.07 = 6,752,697.38 : x - Step 2: Convert to fraction form
13,313,383.69/19,982,350.07 = 6,752,697.38/x - Step 3: Cross multiply
13,313,383.69x = 19,982,350.07 × 6,752,697.38 - Step 4: Simplify right side
13,313,383.69x = 134,934,763,033,412.69 - Step 5: Solve for x
x = 134,934,763,033,412.69/13,313,383.69 - Step 6: Final answer
x = 10,135,271.86
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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.