Finding the Fourth Proportional to 7,338,349.56, 11,008,399.76 and 3,549,109.62
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Solution
The fourth proportional to 7,338,349.56, 11,008,399.76 and 3,549,109.62 is: 5,324,087.82
Step by Step Solution
- Step 1: Write the proportion equation
7,338,349.56 : 11,008,399.76 = 3,549,109.62 : x - Step 2: Convert to fraction form
7,338,349.56/11,008,399.76 = 3,549,109.62/x - Step 3: Cross multiply
7,338,349.56x = 11,008,399.76 × 3,549,109.62 - Step 4: Simplify right side
7,338,349.56x = 39,070,017,489,021.70 - Step 5: Solve for x
x = 39,070,017,489,021.70/7,338,349.56 - Step 6: Final answer
x = 5,324,087.82
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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.