Finding the Fourth Proportional to 9,212,388.48, 12,713,025.08 and 5,082,593.68
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Solution
The fourth proportional to 9,212,388.48, 12,713,025.08 and 5,082,593.68 is: 7,013,940.09
Step by Step Solution
- Step 1: Write the proportion equation
9,212,388.48 : 12,713,025.08 = 5,082,593.68 : x - Step 2: Convert to fraction form
9,212,388.48/12,713,025.08 = 5,082,593.68/x - Step 3: Cross multiply
9,212,388.48x = 12,713,025.08 × 5,082,593.68 - Step 4: Simplify right side
9,212,388.48x = 64,615,140,925,289.49 - Step 5: Solve for x
x = 64,615,140,925,289.49/9,212,388.48 - Step 6: Final answer
x = 7,013,940.09
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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.