Finding the Fourth Proportional to 8,135,391.64, 11,226,971.46 and 4,697,933.08
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Solution
The fourth proportional to 8,135,391.64, 11,226,971.46 and 4,697,933.08 is: 6,483,223.30
Step by Step Solution
- Step 1: Write the proportion equation
8,135,391.64 : 11,226,971.46 = 4,697,933.08 : x - Step 2: Convert to fraction form
8,135,391.64/11,226,971.46 = 4,697,933.08/x - Step 3: Cross multiply
8,135,391.64x = 11,226,971.46 × 4,697,933.08 - Step 4: Simplify right side
8,135,391.64x = 52,743,560,610,149.90 - Step 5: Solve for x
x = 52,743,560,610,149.90/8,135,391.64 - Step 6: Final answer
x = 6,483,223.30
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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.