Finding the Fourth Proportional to 11,027,843.20, 15,217,541.58 and 6,133,074.76
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Solution
The fourth proportional to 11,027,843.20, 15,217,541.58 and 6,133,074.76 is: 8,463,152.63
Step by Step Solution
- Step 1: Write the proportion equation
11,027,843.20 : 15,217,541.58 = 6,133,074.76 : x - Step 2: Convert to fraction form
11,027,843.20/15,217,541.58 = 6,133,074.76/x - Step 3: Cross multiply
11,027,843.20x = 15,217,541.58 × 6,133,074.76 - Step 4: Simplify right side
11,027,843.20x = 93,330,320,173,548.52 - Step 5: Solve for x
x = 93,330,320,173,548.52/11,027,843.20 - Step 6: Final answer
x = 8,463,152.63
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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.