Finding the Fourth Proportional to 10,884,712.36, 16,329,430.44 and 3,311,481.28
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Solution
The fourth proportional to 10,884,712.36, 16,329,430.44 and 3,311,481.28 is: 4,967,940.49
Step by Step Solution
- Step 1: Write the proportion equation
10,884,712.36 : 16,329,430.44 = 3,311,481.28 : x - Step 2: Convert to fraction form
10,884,712.36/16,329,430.44 = 3,311,481.28/x - Step 3: Cross multiply
10,884,712.36x = 16,329,430.44 × 3,311,481.28 - Step 4: Simplify right side
10,884,712.36x = 54,074,603,215,122.16 - Step 5: Solve for x
x = 54,074,603,215,122.16/10,884,712.36 - Step 6: Final answer
x = 4,967,940.49
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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.