Finding the Fourth Proportional to 11,719,440.72, 16,173,845.64 and 6,562,708.56
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Solution
The fourth proportional to 11,719,440.72, 16,173,845.64 and 6,562,708.56 is: 9,057,107.57
Step by Step Solution
- Step 1: Write the proportion equation
11,719,440.72 : 16,173,845.64 = 6,562,708.56 : x - Step 2: Convert to fraction form
11,719,440.72/16,173,845.64 = 6,562,708.56/x - Step 3: Cross multiply
11,719,440.72x = 16,173,845.64 × 6,562,708.56 - Step 4: Simplify right side
11,719,440.72x = 106,144,235,229,746.67 - Step 5: Solve for x
x = 106,144,235,229,746.67/11,719,440.72 - Step 6: Final answer
x = 9,057,107.57
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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.