Finding the Fourth Proportional to 11,842,279.70, 16,342,395.09 and 6,409,771.70
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Solution
The fourth proportional to 11,842,279.70, 16,342,395.09 and 6,409,771.70 is: 8,845,511.52
Step by Step Solution
- Step 1: Write the proportion equation
11,842,279.70 : 16,342,395.09 = 6,409,771.70 : x - Step 2: Convert to fraction form
11,842,279.70/16,342,395.09 = 6,409,771.70/x - Step 3: Cross multiply
11,842,279.70x = 16,342,395.09 × 6,409,771.70 - Step 4: Simplify right side
11,842,279.70x = 104,751,021,558,100.95 - Step 5: Solve for x
x = 104,751,021,558,100.95/11,842,279.70 - Step 6: Final answer
x = 8,845,511.52
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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.