Finding the Fourth Proportional to 13,744,707.22, 18,968,023.42 and 7,549,883.68
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Solution
The fourth proportional to 13,744,707.22, 18,968,023.42 and 7,549,883.68 is: 10,419,019.35
Step by Step Solution
- Step 1: Write the proportion equation
13,744,707.22 : 18,968,023.42 = 7,549,883.68 : x - Step 2: Convert to fraction form
13,744,707.22/18,968,023.42 = 7,549,883.68/x - Step 3: Cross multiply
13,744,707.22x = 18,968,023.42 × 7,549,883.68 - Step 4: Simplify right side
13,744,707.22x = 143,206,370,460,515.78 - Step 5: Solve for x
x = 143,206,370,460,515.78/13,744,707.22 - Step 6: Final answer
x = 10,419,019.35
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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.