Finding the Fourth Proportional to 13,471,609.74, 18,590,828.91 and 7,276,656.43
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Solution
The fourth proportional to 13,471,609.74, 18,590,828.91 and 7,276,656.43 is: 10,041,789.90
Step by Step Solution
- Step 1: Write the proportion equation
13,471,609.74 : 18,590,828.91 = 7,276,656.43 : x - Step 2: Convert to fraction form
13,471,609.74/18,590,828.91 = 7,276,656.43/x - Step 3: Cross multiply
13,471,609.74x = 18,590,828.91 × 7,276,656.43 - Step 4: Simplify right side
13,471,609.74x = 135,279,074,680,504.33 - Step 5: Solve for x
x = 135,279,074,680,504.33/13,471,609.74 - Step 6: Final answer
x = 10,041,789.90
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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.