Finding the Fourth Proportional to 11,588,346.56, 15,994,857.84 and 7,918,748.48
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Solution
The fourth proportional to 11,588,346.56, 15,994,857.84 and 7,918,748.48 is: 10,929,881.63
Step by Step Solution
- Step 1: Write the proportion equation
11,588,346.56 : 15,994,857.84 = 7,918,748.48 : x - Step 2: Convert to fraction form
11,588,346.56/15,994,857.84 = 7,918,748.48/x - Step 3: Cross multiply
11,588,346.56x = 15,994,857.84 × 7,918,748.48 - Step 4: Simplify right side
11,588,346.56x = 126,659,256,208,316.09 - Step 5: Solve for x
x = 126,659,256,208,316.09/11,588,346.56 - Step 6: Final answer
x = 10,929,881.63
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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.