Finding the Fourth Proportional to 13,263,594.07, 18,303,572.17 and 7,462,361.92
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Solution
The fourth proportional to 13,263,594.07, 18,303,572.17 and 7,462,361.92 is: 10,297,953.88
Step by Step Solution
- Step 1: Write the proportion equation
13,263,594.07 : 18,303,572.17 = 7,462,361.92 : x - Step 2: Convert to fraction form
13,263,594.07/18,303,572.17 = 7,462,361.92/x - Step 3: Cross multiply
13,263,594.07x = 18,303,572.17 × 7,462,361.92 - Step 4: Simplify right side
13,263,594.07x = 136,587,879,961,379.78 - Step 5: Solve for x
x = 136,587,879,961,379.78/13,263,594.07 - Step 6: Final answer
x = 10,297,953.88
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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.