Finding the Fourth Proportional to 13,263,593.07, 18,303,570.79 and 7,462,360.92
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Solution
The fourth proportional to 13,263,593.07, 18,303,570.79 and 7,462,360.92 is: 10,297,952.50
Step by Step Solution
- Step 1: Write the proportion equation
13,263,593.07 : 18,303,570.79 = 7,462,360.92 : x - Step 2: Convert to fraction form
13,263,593.07/18,303,570.79 = 7,462,360.92/x - Step 3: Cross multiply
13,263,593.07x = 18,303,570.79 × 7,462,360.92 - Step 4: Simplify right side
13,263,593.07x = 136,587,851,359,749.52 - Step 5: Solve for x
x = 136,587,851,359,749.52/13,263,593.07 - Step 6: Final answer
x = 10,297,952.50
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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.