Finding the Fourth Proportional to 13,262,115.42, 19,893,173.04 and 4,741,935.12
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Solution
The fourth proportional to 13,262,115.42, 19,893,173.04 and 4,741,935.12 is: 7,112,902.65
Step by Step Solution
- Step 1: Write the proportion equation
13,262,115.42 : 19,893,173.04 = 4,741,935.12 : x - Step 2: Convert to fraction form
13,262,115.42/19,893,173.04 = 4,741,935.12/x - Step 3: Cross multiply
13,262,115.42x = 19,893,173.04 × 4,741,935.12 - Step 4: Simplify right side
13,262,115.42x = 94,332,135,886,613.16 - Step 5: Solve for x
x = 94,332,135,886,613.16/13,262,115.42 - Step 6: Final answer
x = 7,112,902.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.