Finding the Fourth Proportional to 11,831,668.26, 16,327,703.40 and 6,399,160.26
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Solution
The fourth proportional to 11,831,668.26, 16,327,703.40 and 6,399,160.26 is: 8,830,841.81
Step by Step Solution
- Step 1: Write the proportion equation
11,831,668.26 : 16,327,703.40 = 6,399,160.26 : x - Step 2: Convert to fraction form
11,831,668.26/16,327,703.40 = 6,399,160.26/x - Step 3: Cross multiply
11,831,668.26x = 16,327,703.40 × 6,399,160.26 - Step 4: Simplify right side
11,831,668.26x = 104,483,590,734,346.88 - Step 5: Solve for x
x = 104,483,590,734,346.88/11,831,668.26 - Step 6: Final answer
x = 8,830,841.81
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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.