Finding the Fourth Proportional to 12,115,370.39, 16,719,317.91 and 6,608,769.71
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Solution
The fourth proportional to 12,115,370.39, 16,719,317.91 and 6,608,769.71 is: 9,120,160.44
Step by Step Solution
- Step 1: Write the proportion equation
12,115,370.39 : 16,719,317.91 = 6,608,769.71 : x - Step 2: Convert to fraction form
12,115,370.39/16,719,317.91 = 6,608,769.71/x - Step 3: Cross multiply
12,115,370.39x = 16,719,317.91 × 6,608,769.71 - Step 4: Simplify right side
12,115,370.39x = 110,494,121,691,871.92 - Step 5: Solve for x
x = 110,494,121,691,871.92/12,115,370.39 - Step 6: Final answer
x = 9,120,160.44
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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.