Finding the Fourth Proportional to 11,104,833.76, 15,324,034.74 and 6,142,979.08
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Solution
The fourth proportional to 11,104,833.76, 15,324,034.74 and 6,142,979.08 is: 8,476,959.39
Step by Step Solution
- Step 1: Write the proportion equation
11,104,833.76 : 15,324,034.74 = 6,142,979.08 : x - Step 2: Convert to fraction form
11,104,833.76/15,324,034.74 = 6,142,979.08/x - Step 3: Cross multiply
11,104,833.76x = 15,324,034.74 × 6,142,979.08 - Step 4: Simplify right side
11,104,833.76x = 94,135,224,829,013.23 - Step 5: Solve for x
x = 94,135,224,829,013.23/11,104,833.76 - Step 6: Final answer
x = 8,476,959.39
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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.