Finding the Fourth Proportional to 40,124,241.12, 55,388,404.64 and 27,089,157.36
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Solution
The fourth proportional to 40,124,241.12, 55,388,404.64 and 27,089,157.36 is: 37,394,481.92
Step by Step Solution
- Step 1: Write the proportion equation
40,124,241.12 : 55,388,404.64 = 27,089,157.36 : x - Step 2: Convert to fraction form
40,124,241.12/55,388,404.64 = 27,089,157.36/x - Step 3: Cross multiply
40,124,241.12x = 55,388,404.64 × 27,089,157.36 - Step 4: Simplify right side
40,124,241.12x = 1,500,425,209,212,314.25 - Step 5: Solve for x
x = 1,500,425,209,212,314.25/40,124,241.12 - Step 6: Final answer
x = 37,394,481.92
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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.