Finding the Fourth Proportional to 13,109,466.26, 18,091,140.75 and 7,606,117.99
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Solution
The fourth proportional to 13,109,466.26, 18,091,140.75 and 7,606,117.99 is: 10,496,487.68
Step by Step Solution
- Step 1: Write the proportion equation
13,109,466.26 : 18,091,140.75 = 7,606,117.99 : x - Step 2: Convert to fraction form
13,109,466.26/18,091,140.75 = 7,606,117.99/x - Step 3: Cross multiply
13,109,466.26x = 18,091,140.75 × 7,606,117.99 - Step 4: Simplify right side
13,109,466.26x = 137,603,351,027,741.39 - Step 5: Solve for x
x = 137,603,351,027,741.39/13,109,466.26 - Step 6: Final answer
x = 10,496,487.68
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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.